Answer:
A: Oxygen is a process by which respiration happens.
Explanation:
Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Also:Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
~Hope this helps
Answer: A mollusk accidentally imported from Europe. They clog pipes and water ways.
Explanation:
Answer: True
Explanation: Peripheral vascular disease (PVD) is a blood circulation disorder that causes the blood vessels such as arteries (atherosclerosis) and veins outside the heart and brain to narrow, block, or spasm. PVD causes pain and fatigue especially during exercise. Risk factors may include ageing, diabetes and smoking.
Answer:
A. is increasing
Explanation:
The phrase "these days" tells us that we want something in the present. If it wanted the past, it would say "in those days" or something similar. So we can cross out d and b, because they are past tense.
It can't be c, because the subject-verb agreement is wrong (it would be increases, not increase).
We can conclude that the answer is a, <u>The population of the world these days </u><u>is increasing</u><u> very fast.</u> It's currently increasing.
the answer to your question is POLLUTION