Most of earth's heat is from its formation and from that generated by the decay of radioactive atoms. True or False

Will apophis hit earth in 2029

What happens on the outer surface of a cell?

When referring to an animal's body temperature, the term ectothermic means Question 3 options: the animal's body temperature must stay above 100°F.

Which of the following best explains why a variety of monomers are needed to produce the complex molecules necessary for life? Different monomers contain different kinds of atoms needed to produce different end products.

A student plays football outside on a hot day and lost a significant amount of water in sweat. How will this affect his blood volume Blood volume decrease, increase, or stays the same

Fibroblasts are cells that can be isolated from the connective tissue under the skin and grown in culture.

What does the word "skepticism" means in science

Which system and rationale best pairs with the musculoskeletal system to ensure fluid movement of the human body? 1. the digestive system, to obtain the energy that is needed to move the muscles with smooth, coordinated effort 2.

What is a weak, temporary bond

Why does the need for living space cause problems for some organisms?