Question

I need someone who had 30 minutes to spare to help with Environmental Science. Will give 4 medals and will fan. I know this is the math section btw :)

Answer 1

i have 30 minutes what do you need help with

Answer 2

Whatcha need?

Answer 3

Suppose you work for a government office that needs to find a suitable place to bury barrels of poisonous liquid wastes. The soils that are used to bury the waste should have properties that will prevent the liquid from moving quickly down toward the groundwater—just in case the barrels begin to leak at some point. You should look for a soil with which type of texture?
Select one:
a. Sandy
b. Silty
c. Clay Rich
d. Loam

Answer 4

Clay because the clay is thick and it will absorb the waste and that way it wont go out to comtaminate the other orgaisams

Answer 5

A sample of soil from a C horizon is light brown in color and has a high content of a mineral called feldspar. Which of the following statements is most likely true?
Select one:
a. The soil in the O horizon is also light brown.
b. The parent material rock had feldspar minerals in it.
c. The C horizon is very deep.
d. The soil in O, A, and B horizons supplied feldspar to the lower C horizon.

Answer 6

Now this one I'm not sure

Answer 7

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms.
Select one:
True
False

Answer 8

False

Answer 9

Which of the following best defines soil texture?
Select one:
a. Amount of nutrients in the soil
b. Depth of the soil
c. A measure of how developed a soil is
d. The relative amounts of sand, silt and clay particles

Answer 10

D

Answer 11

D

Answer 12

sry didnt see the reply

Answer 13

Which of the following actions or events did not contribute to the Dust Bowl?
Select one:
a. Farmers in the Central U.S. had plowed grasslands to grow food crops to feed the increasing human population.
b. They left the fields plowed and bare in the winter months when crops were not grown, and this left the soil exposed to wind.
c. A long drought in the 1930s left the exposed soil especially dry due to the lack of precipitation.
d. With the advent of pesticides, minerals in the ground were leached.

Answer 14

I believe D Saue I need your opinion

Answer 15

Why is a rain drop a particularly damaging element to soil?
Select one:
a. It dilutes minerals in the soil.
b. It causes the soil to break apart and carries it away.
c. It often contains contaminants that poison the soil.
d. It prevents the aeration of the soil.

Answer 16

B

Answer 17

i would agree D @Kodaj1997

Answer 18

Ok cool

Answer 19

Due to a recent drought, a farmer has lost quite a bit of soil on his fields because:
Select one:
a. the rain has washed it away.
b. the animals have been trying to eat the soil due to lack of food.
c. wind has carried away the dry soil.
d. the plants have absorbed the soil.

Answer 20

C

Answer 21

Yeah C, sorry I'm alos workin on math

Answer 22

its cool, u guys are helping a lot. :)

Answer 23

A farmer fields, which are close to a stream, has experienced a lot of runoff. One possible effect of the runoff is that the stream will have a decreased level of fertilizers from the field.
Select one:
True
False

Answer 24

I dont think its true ulnless the stream is above the pond

Answer 25

The planting of trees is detrimental to soil because it drains the soil of nutrients.
Select one:
True
False

Answer 26

False

Answer 27

When a landslide occurs, it is most like due to:
Select one:
a. High winds
b. Soil creep
c. slumping
d. rock metamorphosis

Answer 28

Either B or D

Answer 29

i would say B

Answer 30

That was my main one but Im not to sure whay Soil creep is

Answer 31

Only the smallest particles of soil can be displaced by suspension because:
Select one:
a. they are so small that they stay close to the ground due to the attractive properties of charged soil particles.
b. they are easily carried by the wind.
c. they easily dissolve in liquid droplets.
d. it is easier for then to roll along the small crevices in the ground

Answer 32

I'm not sure Saue this on is yours

Answer 33

either A or B

Answer 34

k i chose b on that one

Answer 35

Which of the following human activities would be most beneficial to soil conservation?
Select one:
a. Integrated pest management
b. Construction
c. Planting fields containing only one crop type vs. multiple crop types
d. Removing buildings and planting fields for animal grazing

Answer 36

C

Answer 37

A population of deer is defined by:
Select one:
a. the variation of colors on their coat.
b. the geographical area it inhabits.
c. their predators and their prey.
d. the age structure of their group.

Answer 38

d I think

Answer 39

As the human population grows:
Select one:
a. resources will be depleted.
b. we will continue to find resources on Earth.
c. more plants will grow due to increased human consumption of herbivores.
d. the sun will provide less energy per person.

Answer 40

A

Answer 41

Unlike matter, energy is not cycled through an ecosystem:
Select one:
a. True
b. False

Answer 42

T

Answer 43

Communities make up a major component of an ecosystem.
Select one:
True
False

Answer 44

hmmmm not sure but If i had to guess I'd say True

Answer 45

The study of living things and the surrounding abiotic environment is known as:
Select one:
a. Ecology
b. Geology
c. Evolution
d. Sociology

Answer 46

A

Answer 47

Like matter, energy cycles continuously through an ecosystem.
Select one:
True
False

Answer 48

T

Answer 49

Producers are the most important biotic factor in an ecosystem.
Select one:
True
False

Answer 50

T

Answer 51

Which of the following terms describes all of the non-living components of an ecosystem?
Select one:
a. Minerals
b. Energy
c. Abiotic
d. Water

Answer 52

C

Answer 53

A niche is part of an organism's habitat.
Select one:
True
False

Answer 54

t

Answer 55

Two different species of organism occupy the same niche. Which of the following scenarios will occur?
Select one:
a. The two species will live in harmony.
b. One species will out compete the other species.
c. One species will rapidly evolve to fill another niche.
d. Both species will decrease sharply due to over predation by a common predator.

Answer 56

b

Answer 57

yes B

Answer 58

Which of the following represents the correct sequence, smallest to largest, of the levels of organization?
Select one:
a. Organism, population, biosphere, biome
b. Organism, ecosystem, biosphere
c. Species, organism, community, biosphere
d. Ecosystem, community, species

Answer 59

A or B not reall sure which one tho

Answer 60

B

Answer 61

Animals who eat the same food are categorized in the same niche.
Select one:
True
False

Answer 62

t

Answer 63

Ecology focuses on living things.
Select one:
True
False

Answer 64

t

Answer 65

Which of the following lists includes only abiotic environmental factors?
Select one:
a. Organic matter, soil minerals, wind, predators
b. Soil minerals, oxygen, rain, sunlight
c. Sunlight, decomposers, organic matter, rain
d. Organic matter, oxygen, rain, lichen

Answer 66

b

Answer 67

thanks @Kodaj1997
You helped me for over an hour. Just for you to know, some of the answers were wrong. But its all good. Thanks for your help. :)

Answer 68

Well I'm I got the chance to help

Answer 69

:)

Answer 70

I dont suppose you can help me with chemistry?