The muscle in an animal that corresponds to the calf muscle in humans is

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million