(choose all that apply)
which factors make it hard for eastern europe to improve the quality of its water?

a. eutrophication
b. carbon credits
c. outdated systems
d. raw water quality
e. unskilled workers

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

What is used to keep track of the gamates and possible offsprings combination