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Natural pesticides
Nonaerosol insecticides
Spray pesticides
Inexpensive pesticides
Hazardous waste
Garbage
A pesticide
Critical waste
Reducing
Rethinking
Reusing
Recycling
Volcanic rock
Eruptive rock
Intrusive igneous rock
Extrusive igneous rock
Kingdoms
Overpopulation
Ecology
Biodiversity
It creates carbon dioxide.
It uses sunlight to help convert glucose into energy.
It happens on the mitochondrion.
It occurs in animal cells.
Streak
Magnetism
Color
Luster
Environments.
Relationships.
Organisms.
Populations.
Reflection
Luster
Streak
Color
By their composition
By their grain shape
By their grain size
By the amount of foliation
Benefit.
Are unaffected.
Die.
Are thrown out of balance.
Foliated rock
Metamorphic rock
Sedimentary rock
Igneous rock
The worm
Both are the predators
The bird
Both are prey
The oldest rocks are on the top.
The youngest rocks are on the bottom.
The youngest rocks are in the middle.
The oldest rocks are on the bottom.
Erosion
Texture
The rock cycle
A rock
Electricity
Fossil fuels
Habitats
Cars
A plant leaf to turn green.
A plant to produce food (glucose).
A cell to produce energy without oxygen.
An animal cell to get energy from food.
Decomposers.
Scavengers.
Producers.
Consumers.
Petrified wood
La Brea asphalt
A frozen mammoth
Hardened tree sap
Create new chromosomes.
Replace cells that have died.
Release energy from food.
Obtain energy from sunlight.
The process is an exact science.
The process is called absolute dating.
The process is only done in certain parts of the world.
The process is called relative dating.
Ecological
Renewable
Biodegradable
Economic
Renovation
Regeneration
Reclamation
Recycling
Silicon and carbon
Carbon and hydrogen
Oxygen and carbon
Silicon and oxygen
Decomposers.
Producers.
Omnivores.
Consumers.
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