when studying phenotypic variation due to the environment, it is useful to compare organisms with identical genotypes. in addition, it is useful to have identical environments when studying variation due to differing genotypes.

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there

Nwhat way does renewable energy differ from nonrenewable energy?

The formation of the planet uranus is estimated to have occurred approximately when?