Answer:
C
Explanation:
Recycling a metal can so it can be reused.
Answer:
I would say a polar bear.
Explanation:
They have gone though changes Because of global warming and climate change we humans have caused
I hope this helps! :))
Answer:
False
Explanation:
Biological evolution is about the origin of species (different kinds of life) after life came into existence. Evolution is mainly concerned with the origin of humans.
Hydrogen bonds are weaker than covalent bonds.
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.
