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Studentka2010 [4]
3 years ago
15

Lab: Effects of Human Activity on Freshwater Resources (essay)

Biology
1 answer:
Bogdan [553]3 years ago
3 0

Answer:

Our water resources face a host of serious threats, all of which are caused primarily by human activity. They include sedimentation, pollution, climate change, deforestation, landscape changes, and urban growth.

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A sustainable society is based on _____. demand for resources zero pollution increasing wilderness areas conservation of resourc
Oxana [17]
The best answer would be conservation of resources. A sustainable society is based on the capacity to lengthen the resources through conservation. Zero pollution and increasing wilderness areas are also applicable since both involve the maintenance of a healthy amd secure environment.
5 0
3 years ago
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A volcano that has not erupted in a very long time suddenly has a plume of steam coming from it. Which best describes this volca
natima [27]

Answer:

The answer is A

Explanation:

Quiet and extinct are not words to describe a volcano that hasn't erupted in a long time. those are called dormant. When they start to heat up, steam or erupt, they are active.

8 0
3 years ago
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What part of the digestive system first causes chemical changes to food?
zhannawk [14.2K]

Answer:

b. saliva in the mouth

Explanation:

saliva contains enzymes that help break down food

5 0
3 years ago
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What are two ways in which existing rock is changed into sediment? Please help!
Sauron [17]

Answer:

The three main rock types are igneous, metamorphic and sedimentary.

The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation.

Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

Explanation:

7 0
3 years ago
Bird-hipped Ornithischian dinosaurs are the ancestors of modern day birds.<br> a. True <br> b. False
yulyashka [42]

Answer:

False

Explanation:

It is found that birds have evolved in the Mesozoic Era from a a group of theropod dinosaurs. the most close relative of modern day bird was supposed to be a primitive bird known as Archaeopteryx. In a recent study  conducted by UCMP Berkeley, birds have common ancestors from the theropod lineage. More specifically, lizard-hipped dinosaurs are ancestors of birds.

Hence, the given statement is false

8 0
3 years ago
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