true or false
1.The scientific method is best used to discover the rules that the natural world follows.
2.Scientific experiments should be done many times before a hypothesis can be supported.
3. 1 centimeter is equal to 10 millimeters.
4. 5000 millimeters is equal to 25 meters.
5. 1.0 liters is equal to 100 milileters.
Which of the following is an abiotic factor in a wetland environment?
a fish
b algae
c water
d snake
Which of the following is a biotic factor in a grassland environment?
a grass
b soil
c water
d wind
Algae are the major oxygen producers in a water environment. This is an example of an algae’s ____________.
a habitat
b biome
c natural resourse
d niche