Q: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? Choices: - Mendelian systems - Newton's third law - gravitational pull - van der waals interactions A:
van der waals interactions

Q: Condensation, melting, deposition, sublimation, vaporization, and freezing are all considered changes in what? Choices: - density - altitude - speed - state A:
state

Q: Q: Some earthworms can also reproduce asexually by fragmentation followed by what? Choices: - fertilization - germination - digestion - regeneration A:
A: regeneration

Question: Q: The most common substance on earth, water, is primarily present in what state? Choices: - gas - solid - freshwater - liquid A:
Answer: liquid

*Question*
Q: When referring to genes, what term describes the property of having multiple phenotypic effects? Choices: - archetype - xerophyte - prototype - pleiotrophy A:
**Answer**
pleiotrophy

(Question)
Q: What objects are made from highly reflective metal that is applied to a curved or flat piece of glass? Choices: - frames - vases - machines - mirrors A:
(Answer)
mirrors