Q: Q: What is an element that tend to be malleable? A:

OPTIONS:
- actinide
- mixture
- lanthanide
- metal

A: metal

input: OPTIONS:
- reaction energy
- decomposition energy
- conductivity energy
- activation energy Now, answer this question: Q: What is the energy needed to start a reaction between catalysts and reactants called? A:
A:
output: activation energy

Q: What occurs over a large area when a rock is buried or compressed? A:

OPTIONS:
- metamorphic diffusion
- cavern system
- landslide
- regional metamorphism

Answer: regional metamorphism

Problem: OPTIONS:
- used
- new
- old
- free
Q: Q: What kind of energy is specifically defined as the energy that is available to do work? A:
Answer: free

Problem:OPTIONS:
- the Earth's orbit
- the orbit of Mars
- the sun
- its orbit

Q: Venus rotates slowly in a direction opposite to the direction of what? A:
****
A: its orbit

Problem:OPTIONS:
- isotope test
- microwave theory
- radioactive illustrating
- radioactive dating

Q: What is the term for the use of radioactive decay to estimate the ages of fossils and rock? A:
****
A:
radioactive dating