Q: Q: What kind of gland produces an oily substance that waterproofs the hair and skin? A:

OPTIONS:
- secretion gland
- nail gland
- mucous gland
- sebaceous gland

A: sebaceous gland

input: OPTIONS:
- single spiral
- chain helix
- double spiral
- double helix Now, answer this question: Q: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis? A:
A:
output: double helix

Q: An electric stove changes electric current to what form of energy? A:

OPTIONS:
- thermodynamic
- kinetic
- nuclear
- thermal

Answer: thermal

Problem: OPTIONS:
- iris
- pupil
- meniscus
- lens
Q: Q: Light from objects at different distances is focused by what part of the eye? A:
Answer: lens

Problem:OPTIONS:
- precipitation
- carbon dioxide
- humidity
- heat

Q: When fuel is burned, most of the energy is released in what form? A:
****
A: heat

Problem:OPTIONS:
- oxygen
- monoxide
- hydrogen
- carbon

Q: Heterotrophic organisms use organic compounds, usually from other organisms, as a source of what basic element of life? A:
****
A:
carbon