Help please answer my previous and question and this one! Random answers and links will be reported.
Heat can be transferred from one object to another by ______.
A Conduction
B Translation
C Condition
D Restriction
Heat can be transferred in three ways: by conduction, convection, and by radiation. Only conduction is on the options so it would be A
Biodiversity affects the sustainability of an ecosystem by —
A. always increasing competition for limited resources within the ecosystem.
B. allowing the ecosystem to survive many changes.
C. preventing the ecosystem from surviving many changes.
D. always decreasing competition for limited resources within the ecosystem.
Answer:
A.
Explanation:
A great variety of Gene's and species means that the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable
Help please ♀️ I’m stuck
Answer:
b i guess i mean i dont have much to go off of so imma say b
hope this helps have a great day :)
Answer:
Energy
Explanation:
Someone pls help with only if you know correct answer!???
Two Bullard balls collided. One was stationary. The other was moving at a velocity of 5 m/sec. The mass of the billiard ball is 0.15kg. The momentum that was transferred to the second ball was___.
A. 0.75 kgxm/sec
B. 33 kgxm/sec
C. 0.03 kgxm/sec
D. 7.5 kgxm/sec
As a Sun-sized star dies, it puts on an exquisite show, shedding its outer layers into space. How long does this process last?
Thousands of years
Billions of years
Millions of years
An unknown amount of time
When sodium and chlorine are mixed:
nothing happens
heat and light are released
heat is absorbed from the environment
The correct answer is B: heat and light are released.
Mixing chemicals in a cold pack creates a reaction that:
absorbs heat
destroys heat
releases cold
none of the above
1. Sketch a picture of the components of a galaxy. Write the name of our galaxy as the title of your drawing.2. Investigation3. Ervin is a current 5th grade student. One weekend he went on a trip to the beach with his family. After arriving at the beach, his mother put sunscreen on him to protect him from the Sun. Ervin and his older brother decided to go swimming in the ocean. While swimming his brother pointed out how large the Sun appeared. Later in the day, the Sun was covered up by dark clouds. When the Sun got covered, Ervin decided to stop swimming.At school on Monday, Ervin’s class was learning about the Sun. Ms. Chabert, his teacher, posed 3 questions to the class. Ervin was excited because he was able to use what he learned about the Sun at the beach to answer each question correctly. Use what YOU know about the Sun to answer the questions that Ervin’s teacher posed to the class. Answer in complete sentences please.A. Is the Sun a star?B. Why does the Sun appear large and bright?C. Is the Sun the largest star in the sky?D. What types of energy does the Sun give off?E. How does energy help us on a daily basis?
The graph below plots the temperature and luminosity of stars on the main sequence. (2 points)
Four locations (A, B, C and D) are graphed on a curve representing luminosity vs temperature. The curve begins are high luminosity and high temperature decreasing in luminosity and temperature as it approaches the right side of the curve. From left to right are points representing Location A, Location B, Location C and Location D.
At what location is the star with the least initial mass most likely to be found?
Location A
Location B
Location C
Location D
Answer:
location A
Explanation:
Which of the following will most likely be a sustainable environment?
A. An environment with a small variety of plants and animal species
B. An environment with a large variety of plant and animal species
C. An environment with many plant species but with only a few animal species
D. An environment with many animal species but with only a few plant species
Answer:
I think A
Explanation: