Help! With 22! And 21! I’ll give brainliest. ASAP!

Although Leonardo Da Vinci was well-known for being an artist, how has he contributed to the fields of motion and medicine?

Thx if you help :D

HELP ! DUE IN 41 MINUTES!
WILL GIVE BRAINLISIT!!!!!!

Which of the following statements about biodiversity is TRUE?
A. More biodiversity → Less chance for an ecosystem to sustain itself
B. More biodiversity → Better chance for an ecosystem to sustain itself
C. More biodiversity → Less species in an ecosystem
D. More biodiversity → More pollution in an ecosystem

Question in the photos, any absurd answers will be reported ill give branliest to the most accurate answer

Halp me need help with this question

How many internal parts or “organelles” are there in a plant cell?

im rewarding brainlist and 47 points too whoever answers this question ;-;

Please help me fill this ven diagram in its very simple I just need help

Please help with this science assignment

QUESTION 2

In which relationship do both species benefit?

A.Mutualism

B.Commensalism

C.Parasitism

NEED THIS ASAP ILL MARK BRAINLIEST Nutrition is a common topic in the media, whether it’s a new diet plan or a new “superfood” on the market to benefit our health. Some of these products are scientifically sound, while others aren’t. How do we tell the difference?

Jan drew a diagram to compare centipedes and millipedes.



Which belongs in the area labeled Y?

are active predators
have two pairs of legs on each segment
use specialized mouthparts to attach to hosts
use claws to inject venom

The answer for question 2

On the periodic table, which group of elements tend to form positive ions?

Group 16 and Group 17

Group 1 and Group 16

Group 2 and Group 17

Group 1 and Group 2

Which statement describes how echolocation and ultrasound imaging are the same?

A. They both use the absorption of sound waves.
B. They both use the diffraction of sound waves.
C. They both use the reflection of sound waves.
D. They both use the transmission of sound waves.

When discussing evolution, adaptation is *
A. An inherited trait evolved through natural selection
B. A skill that an organism has learned to help them survive
C. An adjustment in the physical appearance or behavior of an organism that happens over a short period of time

These celestial bodies are thought to originate from two different sources. Some are called long-period and originate from the Oort Cloud. These bodies orbit the Sun but may take as long as 200 years to complete one orbit. Others are called short-period and originate from the Kuiper Belt in our solar system.

What is this celestial body called?

A) Asteroid

B) Comet

C) Meteor

D) Planet

Freshwater leeches attach to fish and suck blood from the fish for extended periods of time. This results in sores on the fish that often become infected.

This relationship is best described as .

A rocket has a power output of 55,000 ft.-lbs./sec. while raising a small satellite into orbit. How many horsepower is the rocket engine?

550 H.P.
100 H.P.
10 H.P.
500 H.P.

If the temperature of the Earth's layers increases by about 90 degrees Fahrenheit for every 1 mile from the surface and you are estimating the temperature of a point in the mantle 160 miles below the surface, how hot would the mantle be at that depth?
A. 12,800°F
B. 14,400°F
C. 1.78°F
D. 160°F

The Sun is important in many ways. What is the purpose of the Sun in the food chain? *

Milk (pH 6.7)
Coffee (pH 5)
Ammonia (pH 11.6)
is most basic, and which one is most OH- concentrated

At what pressure, in atm, will 1.8 mol O₂ occupy a volume of 56.0 L at 35°C? Round your answer to the nearest hundredths. Don't forget to label your units.

Which can change the solubility of a solid in a liquid?

stirring the solute

increasing the pressure of the solution

increasing the temperature of the solution

crushing the solute

I need some help cuz i don't remember what that long word means!!

Which of the following is necessary for two organisms to be considered as coexisting in a mutualistic relationship?

One organism benefits while the other neither benefits nor is harmed.

One organism benefits while the other is harmed.

Both organisms are harmed from the relationship.

Both organisms benefit form the relationship.

help me whith this
Describe the processes of photosynthesis

please help me with this science question, please only answer if you know the answer. also help me asap, thanks