How is an exothermic reaction identified? A. It has a large heat of formation.
B. It uses electromagnetic radiation.
C. It requires heat as a reactant.
D. It gives off heat as a product.

Covalent bonds are formed between metals and boiling points true or false

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum

What’s a example of extrusive rock that cooled to quickly for grains to form