Which of the following gases , released by ruminant animals and termites as a waste product of digestion , can add to global warming ? ?
a. carbon dioxide (co2)
b. methane (ch2)
c. chlorofluorocarbon (cfc)
d. nitrogen (n2)

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides

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