question below:
Which two factors determine the gravitational attraction between two objects?
OPTIONS:
- time and temperature
- shape and orbital speed
- color and hardness
- mass and distance apart
answer below:
mass and distance apart

question below:
In which oceanic zone do clams and crabs survive by burrowing in the sand?
OPTIONS:
- oceanic
- intertidal
- deep ocean
- open ocean
answer below:
intertidal

question below:
Naturally occurring variations within a species are mainly the result of mutations and
OPTIONS:
- sexual reproduction
- dynamic equilibrium
- metabolism
- camouflage
answer below:
sexual reproduction

question below:
Why would explorers use a compass when traveling to unknown lands?
OPTIONS:
- to locate a direction to travel
- to measure the quality of drinking water
- to protect themselves from wild animals
- to determine levels of humanity in tropical areas
answer below:
to locate a direction to travel