Question

Question 21
A)
The process of cleaning up an environment by using live organisms
(1 point)
Responses

erosion
erosion

bioremediation
bioremediation

eradication
eradication

biodiversity
biodiversity
Question 22
A)
The process of breaking down rock and soil layers with the action of water
(1 point)
Responses

erosion
erosion

bioremediation
bioremediation

the water cycle
the water cycle

percolation
percolation
Question 23
A)
The variety of organisms able to adapt to various environments on Earth
(1 point)
Responses

bioremediation
bioremediation

species
species

biodiversity
biodiversity

collection
collection
Question 24
A)
Classified as not living
(1 point)
Responses

endemic
endemic

abiotic
abiotic

unique
unique

biotic
biotic
Question 25
A)
Process of passing liquid through a porous filter, or action of water through soil
(1 point)
Responses

the water cycle
the water cycle

erosion
erosion

percolation
percolation

adaptation
adaptation
Question 26
A)
Classification of an organism by its distinct characteristics that match others in a population
(1 point)
Responses

species
species

abiotic
abiotic

endemic
endemic

biotic
biotic
Question 27
A)
The part of the Earth where life exists.
(1 point)
Responses

Mesosphere
Mesosphere

Stratosphere
Stratosphere

Troposphere
Troposphere

Biosphere
Biosphere
Question 28
A)
This area includes all the oceans, seas, lakes, swamps, rivers, and water areas of the Earth
(1 point)
Responses

Thermosphere
Thermosphere

Hydrosphere
Hydrosphere

Atmosphere
Atmosphere

Biosphere
Biosphere
Question 29
A)
The total mass of air surrounding the Earth, from the uppermost thermosphere down to the troposphere
(1 point)
Responses

Mesosphere
Mesosphere

Atmosphere
Atmosphere

Hydrosphere
Hydrosphere

Lithosphere
Lithosphere
Question 30
A)
Of the following, which component of life is the largest?
(1 point)
Responses

Molecule
Molecule

Organelle
Organelle

Atom
Atom

Cell
Cell

Answer 1

Here are the answers to the questions based on the information provided:

**Question 21:**
**Answer:** bioremediation

**Question 22:**
**Answer:** erosion

**Question 23:**
**Answer:** biodiversity

**Question 24:**
**Answer:** abiotic

**Question 25:**
**Answer:** percolation

**Question 26:**
**Answer:** species

**Question 27:**
**Answer:** Biosphere

**Question 28:**
**Answer:** Hydrosphere

**Question 29:**
**Answer:** Atmosphere

**Question 30:**
**Answer:** Cell