Q: In pea plants, tall is dominant over short. What size pea plants will result when a pure tall plant is crossed with a pure short plant? OPTIONS:
- middle-sized plants
- short plants
- tall plants
- some tall and some short plants
A: tall plants

Fossil fuels were formed from
OPTIONS:
- volcanoes
- the remains of living things
- gases in the atmosphere
- water trapped inside rocks

the remains of living things

Q: During which chemical process is energy absorbed? ---- OPTIONS:
- iron nails rusting
- candles burning
- vegetables rotting
- plants photosynthesizing

A: plants photosynthesizing

What is a worldwide increase in temperature called?
===
OPTIONS:
- greenhouse effect
- global warming
- ozone depletion
- solar heating

global warming

Question:
Which is an example of a group of cells with a common structure and function?
OPTIONS:
- stomach
- muscle tissue
- mitochondria
- digestive system
Answer:
muscle tissue

[Q]: The pull of gravity on Earth is a direct result of the
===
OPTIONS:
- mass of Earth.
- magnetic field of Earth.
- rotation of Earth on its axis.
- weight of Earth's atmosphere.
****
[A]:
mass of Earth.