Q: Q: Overproduction of offspring, combined with limited resources, results in what? A:

OPTIONS:
- continuation
- contention
- concentration
- competition

A: competition

input: OPTIONS:
- floors
- vegetation
- curtains
- insulation Now, answer this question: Q: The sun's heat can also be trapped in your home by using south facing windows and good what? A:
A:
output: insulation

Q: Oil is found in the porous rock layer and trapped by the what? A:

OPTIONS:
- - crystalline layer
- mantle
- impermeable layer

Answer: impermeable layer

Problem: OPTIONS:
- fish
- zooplankton
- algea
- phytoplankton
Q: Q: What are the primary producers in the ocean? A:
Answer: phytoplankton

Problem:OPTIONS:
- autoimmune disease
- heart disease
- colds
- cancer

Q: Oncogenes are involved in the formation of what disease? A:
****
A: cancer

Problem:OPTIONS:
- shell electrons
- outer electrons
- positive electrons
- valence electrons

Q: What are electrons in the outer energy level of an atom called? A:
****
A:
valence electrons