What is the purpose or role of the urinary and excretory systems?*
A. digest food materials that come into the body
B. filter and remove liquid and solid waste
C. transport wastes throughout the body. D.regulate the body using hormones

Answers

Answer 1

Explanation:

B. filter and remove liquid and solid waste


Related Questions

The electron configuration for the Magnesium ION is the same as the configuration for which noble gas?

Answers

Neon

The correct noble gas electron configuration of Mg2+ is Ne.

What are the steps needed to calculate the percent composition of Carbon in CH4

Answers

CH4 : Mr. 12+(1x4) =16
C= 12
12/16 x 100 =75%

IM GIVING BRAINLIST HELP Deep, cold water is the __________. Warm, shallow water is the ___________.

Question 3 options:

least dense; densest


densest; least dense


densest; densest


least dense; least dense

Answers

The answer to your question is densest; least dense.
This is due to the weight of the water pushing down on the water molecules below in the deep cold water.
Making the warm shallow water, less dense

In an ecosystem, deep, cold water is the  densest while warm, shallow water is the  least dense.

What is an ecosystem?

An ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the ecosystem through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Can someone help me with this questions. What do these two photos have in common?

Answers

Calcium and chlorine

The two animals above are similar looking can reproduce. What can be inferred about these two animals

Answers

Answer:

What are the two animals?

Explanation:

Calculate the vapor pressure (in torr) of a 35°C solution of ethanol and propanol where the mole fraction of propanol is .75. Assume Ideal behavior P°ethanol35=100torr P°propanol35=36torr

Answers

The vapor pressure (in torr) of a 35°C solution : 52 torr

Further explanation

Given

x propanol = 0.75

P°ethanol=100 torr

P°propanol=36 torr

Required

the vapor pressure

Solution

Raoult's Law

P solution = xA.P°A +xB.P°B

x ethanol = 1- 0.75 = 0.25

Input the value :

P solution = 0.25 x 100 + 0.75 x 36

P solution = 25 + 27

P solution = 52 torr

Which describes an example of ecological succession?​

Answers

Answer:

b. a meadow replacing a pond in it's flood plain

Explanation:

I'ts a secondary succession.

Which of the following best describes the movement of particles in a solid?
O A. Particles can vibrate slightly, but are unable to move around.
O B. Particles move past each other freely.
O C. Particles travel at high speeds in all directions.
O D. Particles travel at low speeds in all directions.

Answers

Answer:

A

Explanation:

particles are frozen and hence will vibrate in their fixed positions

what is metaphase
HELEPWOAUSJSKQJDHEHR

Answers

Answer:

the second stage of cell division. its between prophase and anaphase during the chromosomes become attached to spindle fibers.

please help this will help my grade a lot

Answers

Answer:

a- customary systems..

Which organelle of a prokaryotic cell contains genetic information?


cell membrane


ribosomes


nucleus


nucleoid

Answers

Answer:

The right option is the 4 one. nucleoid

Prokaryotic cells are simple cells that lack a definite nucleus and some membrane-bound organelles. Prokaryotic cells have a nucleoid region, which is an irregularly-shaped central region of the cell that contains the cell’s genetic information (DNA). Other organelles that can be found in prokaryotic cells include plasma membrane, cell wall, cytoplasm, and ribosomes.

Explanation:

Answer:

nucleoid

Explanation:

Can a hype Glow in the dark ?

Answers

i’ve only had one and it didn’t flow so ion think so

How many boys are in this pedigree?

Answers

Answer:

the answer is three 3

......

PLZ I NEEEEEEEDDDDDD HELP

Answers

Answer:

2h+02=h20

Explanation:

2 in front of h on left side

2 in front of h on right side

Answer:

Explanation:

1. __1___ Fe + __1___ S → __1___ FeS. 2. __1___ H2 + __1___ Cl2 → __2___ HCl. 3. __2___ Mg + __1___ O2 → __2___ MgO. 4. __1___ O2 + __2___ H2

This is the type of wave that travels in one direction but the energy travels in the opposite direction

Answers

Answer:

Transverse wave

Explanation:

A wave is defined as a disturbance along a medium which transfers energy from one point to another.

A wave may be classified as transverse or longitudinal based on the direction of energy transfer relative to the direction of wave motion.

In a transverse wave, energy is transferred in a direction perpendicular to the direction of wave travel. Hence, the direction in which the energy travels is opposite to the direction in which the wave travels.

What mass of oxygen combines with 2.81 mol
of magnesium in the reaction
2 Mg(s) + O2(g) → 2 MgO(s)?

Answers

Answer: 22.48 g


Reason: Because Mg reacts with O2 in a 2:1 ratio you would divide 2.81 by two. 2.81/2=1.405 You would then multiply 1.405 by the molar mass of O2 which is 15.999 and get the final answer of 22.48 g.

22.48 g. mass of oxygen combines with 2.81 mol of magnesium in the reaction. For the reaction 2 Mg(s) + O2(g) → 2 MgO(s).

What do you mean by molar mass ?

The term molar mass is defined as the mass of 1 mole of that particular substance and number of grams per mole of a compound.

In other words, the molar mass is the total mass in grams of all the atoms that make up a mole of a specific molecule. As a result, the molar mass units are grams/mole.

The balance chemical equation is as follows :

2 Mg(s) + O2(g) → 2 MgO(s)

The metal Mg reacts with Oxygen in a 2:1 ratio you would divide 2.81 by two.

Now, we get,

2.81 / 2 = 1.405

You would then multiply 1.405 by the molar mass of Oxygen which is 15.999

= 1.405 × 16

= 22.48 g.

Thus, 22.48 g. mass of oxygen combines with 2.81 mol of magnesium in the reaction.

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If these teams are pulling with the same amount of force what will happen?
The team with the green and orange shirts will win.
bo
The team with the yellow and red shirts will win.
They will not move and neither team will win.

Answers

They will not move...

Calculate the molar concentration of 4.75 moles of NaCl in
0.50 liters of water?

Answers

Answer:

9.5 m

Explanation:

First, divide 4.75 m by the 0.50 l

4.75/0.50

This leaves you with 9.5 m

Elements make up all things. What is it called

Answers

Answer:

Matter

Explanation:

All matter is made up of substances called elements

Which choice is a biotic factor of an ecosystem?

A. sun

B. ants

C. air

D. soil

Answers

Ants is a biotic factor of an ecosystem

A boy sets up a picnic on the beach next to a sand dune. how are sand dunes formed?

Answers

Answer:

Sand dunes are created when wind deposits sand on top of each other until a small mound starts to form. Once that first mound forms, sand piles up on the windward side more and more until the edge of the dune collapses under its own weight.

What word is the biotic factor in this sentence:
Fish breath oxygen that is dissolved in water.​

Answers

Answer: Fish

Explanation:

Biotic factor is one of the component of the ecosystem. It is the living component of the ecosystem. It is affected or influenced by the non-living or abiotic components of the ecosystem like water, air, sunlight, and others. Fish is an example of biotic factor which is dependent on abiotic component that is oxygen which is the chief gas required for the breathing. The oxygen is one of the components of the water. So, the oxygen is dissolved in water and the fish acquire the oxygen through water only.

PLEASEEE HELP ASAPPPPP

Answers

Answer: answer A

Explanation: because it gives more detail and a summarizations

Calculate the average atomic mass for an imaginary element "E" that has the following isotope abundances:
56.67 % E-102.658 amu
43.33% E-104.770 amu

Answers

Answer:

Average atomic mass of E = 103.57 amu

Explanation:

Given data:

Average atomic mass of E = ?

Abundance of E-102.658 = 56.67%

Abundance of E-104.770 = 43.33%

Solution:

Average atomic mass of E = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass of E = (56.67×102.658)+(43.33×104.770) /100

Average atomic mass of E =  5817.63 + 4539.68 / 100

Average atomic mass of E = 10357.31 / 100

Average atomic mass of E = 103.57 amu.

How many moles of oxygen are in 2.00 moles of NaCIO4?​

Answers

Answer: 8 Moles of Oxygen

Explanation: The formula shows that there are (exactly) 4 oxygen atoms in each mole or formula unit. Therefore 4 * 2.00 = 8.

how do the structures of particles in substances vary?

Answers

Answer:

56

Explanation:

4) What is the Formula weight of MgCl2 and the explanation.

Answers

Answer:

95.21 g/mol

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

Reading a Periodic TableExplanation:

Step 1: Identify

MgCl₂

Step 2: Find Formula Weight

[PT] Molar Mass of Mg - 24.31 g/mol

[PT] Molar Mass of Cl - 35.45 g/mol

Molar Mass of MgCl₂ - 24.31 + 2(35.45) = 95.21 g/mol

When chlorine is added to sodium bromide solution, the mixture turns brown. What type of reaction has taken place?

Answers

Answer:

A displacement reaction

Explanation:

This is because the chlorine reacts with the sodium bromide, forcing it to go brown.

I hope this helps, good luck! (✿◡‿◡)

When chlorine is added to a solution of sodium bromide (either as a gas or dissolved in water), the bromine is replaced by the chlorine.

What do you mean by Solution?

In chemistry, a solution is a homogeneous mixture of two or more compounds in their relative proportions that can be continually altered up to what is referred to as the limit of solubility.

Although the word "solution" is typically used to refer to the liquid state of matter, solutions of gases and solids are also possible.

When chlorine is added to a solution of sodium bromide (either as a gas or dissolved in water), the bromine is replaced by the chlorine. Because chlorine is more reactive than bromine, sodium bromide loses its bromine content. The mixture darkens to brown. The bromine has been displace, giving this colour of brown.

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1pt Which of the following is NOT true about the role tectonic forces play in the rock cycle?
O A. When plates pull apart, rocks melt, and magma forms igneous rocks.
O B. When plates crash together, rocks are buried and form metamorphic rocks.
O c. When plates slide over and under each other, the heat and pressure form igneous rocks.
OD. When rocks push upward and form mountains, the erosion of the mountains can produce sediment.

Answers

Tectonic forces do not cause plates to slide over and under each other, to produce heat and pressure which forms igneous rocks

What is the rock cycle?

The rock cycle is a cycle which describes how the three basic rock types are related and how earth processes convert one rock type into another over geologic time.

Plate tectonic forces together with weathering and erosional processes, are responsible for the rock cycle.

Tectonic forces play the following roles in rock cycle:

When plates pull apart, rocks melt, and magma forms igneous rocks.When plates crash together, rocks are buried and form metamorphic rocksWhen rocks push upward and form mountains, the erosion of the mountains can produce sediment

Therefore, the statement that when plates slide over and under each other, the heat and pressure form igneous rocks is not True.

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What type of substance is reactant A?

Answers

Answer:

A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.

Explanation:

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