Critical Thinking How could you use food web to explain why the protection of a threatened species is important?​

What is the difference between an igneous, sedimentary and metamorphic rock

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?