Q: Q: What branch of physical science looks at how heat, work, and various forms of energy are related to one another? A:

OPTIONS:
- photosynthesis
- frigidity
- transformations
- thermodynamics

A: thermodynamics

input: OPTIONS:
- hormones
- peptides
- reactions
- pheromones Now, answer this question: Q: What kind of hormones are released into the environment for communication between animals of the same species? A:
A:
output: pheromones

Q: Human skin color is primarily due to the presence of what pigment in the skin? A:

OPTIONS:
- tannin
- melatonin
- cytoplasm
- melanin

Answer: melanin

Problem: OPTIONS:
- centuries
- events
- organisms
- generations
Q: Q: A pedigree is a chart which shows the inheritance of a trait over several what? A:
Answer: generations

Problem:OPTIONS:
- momentum
- kinetic energy
- inertia
- speed

Q: What is the measure for how fast or slow something moves? A:
****
A: speed

Problem:OPTIONS:
- randomizes
- lowers
- none
- raises

Q: A solute generally has what effect on the boiling point of a solvent? A:
****
A:
raises