Answer:
Producers are always at the beginning of a food chain. Producers begin every food chain because they can make their own food.
A. because the heart will pump more blood filled with oxygen to the muscles that need it most
Answer:
Tundra
Explanation:
Ocean is the most stable biome, provides the majority of earths food and oxygen.
Rainforest provide 20% of earths food production. Also stable.
Grasslands although the don't get much rain it doesn't compare to the harsh weather that Tundra's face.
Tundra's is a very fragile environment. The freezing cold temperatures makes it a very difficult environment to survive in the winter, and plants and animals have a hard time coping with any extra stresses and disturbances. Therefore making it the least stable out of the rest listed.
Answer:
B: The force of motion is different when a strong or a weak force is applied to the ball.
Explanation:
Hope this helps :)
ignore the other answer. He answered one of mine just to get points and I believe he's doing the same here.. :)
Answer:
1. mica 2. structure 3. ehorizon 4.