Q: What do you call the energy that must be overcome in order for a chemical reaction to occur, or the minimum energy required to start a chemical reaction? Choices: - expression energy - phase energy - kinetic energy - activation energy A:
activation energy

Q: Which type of membrane are ribosomes surrounded by? Choices: - partial - permenant - temporary - none A:
none

Q: Q: What is the most abundant biochemical compound, making up the cell walls of plants? Choices: - magnesium - cytoplasm - mitochondria - cellulose A:
A: cellulose

Question: Q: What planet in our solar system has a moon with volcanic activity? Choices: - Mars - Venus - Saturn - jupiter A:
Answer: jupiter

*Question*
Q: What is the term for plants that lack vascular tissues, roots, leaves, seeds, and flowers? Choices: - chloroplasts - primates - conifers - bryophytes A:
**Answer**
bryophytes

(Question)
Q: What causes acid rain? Choices: - carbon dioxide - heavy pollution - chemicals in waterways - air pollution A:
(Answer)
air pollution