Q: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called? A:
OPTIONS:
- naturally decay
- explosive decay
- fusion decay
- radioactive decay

Answer: radioactive decay

Question: Q: What type of bonds only form in metals? A:
OPTIONS:
- optical bonds
- friction bonds
- liquid bonds
- metallic bonds
Answer: metallic bonds

input with options: Q: What kind of hormones are released into the environment for communication between animals of the same species? A:
OPTIONS:
- hormones
- peptides
- reactions
- pheromones
output: pheromones

Q: Q: The diversity of alleles and genotypes within a population is known as genetic what? A:

OPTIONS:
- group
- density
- variable
- variance

A: variance

input: OPTIONS:
- grow smaller
- have more flowers
- live shorter
- grow taller Now, answer this question: Q: Vascular tissue allowed these plants to do what? A:
A:
output: grow taller

Question: Q: What substance comes toward earth's crust through mantle plumes? A:
OPTIONS:
- rocks
- water
- gas
- magma
Answer:
magma