Input: Answer this question:
Which of the following is a characteristic of all chemical changes?
OPTIONS:
- A different state of matter is produced.
- Some mass is converted to energy.
- Some form of light is given off.
- A new material is formed.
Answer: A new material is formed.
*Question*: In animal skin tissue, cell division is responsible for OPTIONS:
- growth and repair
- sexual reproduction
- obtaining energy
- production of sex cells
*Answer*: growth and repair
question:
Which group of organisms can show significant trait changes in the shortest period of time?
OPTIONS:
- bacteria
- birds
- fish
- reptiles

answer:
bacteria
[Q]: Rocks are classified as igneous, metamorphic, or sedimentary according to
===
OPTIONS:
- their color
- their shape
- how they formed
- the minerals they contain
****
[A]: how they formed
question below:
The water contained in a geyser system gains energy from the underground material surrounding it. The water molecules gain kinetic energy and this results in an increase in the pressure of the water. Eventually the geyser erupts and expels water into the air above ground. Which of the following types of energy is the source for the initial energy gain of the water?
OPTIONS:
- electrical
- magnetic
- mechanical
- thermal
answer below:
thermal
question:
The population of which of the following 26 organisms would most likely decline if small animals like rats, rabbits, and snakes were eliminated from an ecosystem?
OPTIONS:
- earthworms
- grasses
- hawks
- mushrooms

answer:

hawks