Q: In the past, what colliding with planet earth has caused many organisms to die off? Choices: - acid rain - meteorites - the Sun - asteroids A:
asteroids

(Question)
Q: What is the term for the amount of internal energy that the substance can store? Choices: - mass capacity - temperature capacity - humidity capacity - heat capacity A:
(Answer)
heat capacity

Ques: Q: What do covalent bonds give atoms a more stable arrangement of? Choices: - protons - neutrons - cell walls - electrons A:
Ans: electrons

(Q).
Q: Evolution that occurs over a short period of time is known as what? Choices: - short term evolution - pseudoevolution - relatedness - microevolution A:
(A).
microevolution

Ques:Q: What is composed of very long strands of glucose monomers, is largely indigestible and comprises the cell walls of plants? Choices: - vascular cambrium - chlorophyll - tree bark - cellulose A:

Ans:cellulose

Ques:Q: Because collisions are ______, energy can be transferred between molecules during them. Choices: - conductive - inelastic - preservative - elastic A:

Ans:
elastic