Which of the following statements is true? a.) Thermal pollution is the main disadvantage of hydroelectric power.

b.) The total amount of water in an ecosystem is always increasing.

c.) Wood and water are nonrenewable natural resources.

d.) The greenhouse effect is primarily caused by cars and trucks.

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid