How do limiting factors affect the carrying capacity of an environment

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)

What tissue type has polarity and is avascular? what tissue type has polarity and is avascular? a. muscle b. connective tissue c. nervous tissue d. epithelium