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Flura [38]
3 years ago
13

Geologists frequently look at the relationships among rock layers. Which statement best describes the information geologists get

from studying these relationships?
Biology
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0
They get a sense of the history of the area they are investigating.

Density of a rock and age of a rock require very specific tests that are irrelevant to the relationships between the rock tested and other layers.

Value of a rock is very subjective to the use that can be made of the rock and also tells nothing about the relationships between layers.         
Brainliest?


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is it possible for technological advancements to have both positive and negative effects on the world
Sergio [31]
Yes it is, because not all technological advancements will be used correctly. For example nuclear technological advancements looked like a good idea back when they invented it, but now countries are trying to get nuclear weapon and plant locations so they can possibly use that in a war against another country 
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3 years ago
Question about nitrogen and phosphorous cycle? Which statements are true, list all that apply
vaieri [72.5K]

Answer: 1) When phosphorous is not bound in rocks, it moves quickly through land food webs. Constant use of phosphate-rich fertilizers will help increase phosphorus availability to plants, thus ultimately helping our ecosystems.

3) Minimizing the use of ammonia-rich fertilizers on lawns would not add excess nitrogen to the nitrogen cycle. As a result, it would help decrease the pollution of food webs in the oceans, decrease soil acidity on land, and decrease the amount of greenhouse gases in the atmosphere

Explanation:

The nitrogen and phosphorus cycles both are biochemical cycles. The nitrogen cycle involves the process of uptake of nitrogen from the atmosphere by the soil bacteria which is then become available to the plants for plant growth, from plants it is transferred to the other organisms in different forms.

The phosphorus is found in the rocks and these rocks wither and the inorganic phosphorus become available to the ecosystems.

Option 1 is correct, this is because the phosphorus is available on earth in the inorganic form inside the rocks, the withering and erosion processes make the phosphorus available to the plants. Another source of phosphorus to plants is phosphorus rich fertilizers. Thus plants will absorb phosphorus and grow. These plants will be consumed by other organisms thus the ecosystem will remain healthy.

Option 3 is correct, this is because nitrogen rich fertilizers can cause eutrophication in water bodies, or can contaminate the water. It will decrease the pH of the soil due to the formation of nitric acid. Also the nitrogen dioxide is the greenhouse gas.

 

4 0
3 years ago
Which description identifies a solid?. Single choice.
vredina [299]

Answer:

A. definite volume and definite shape

Mark me as brainliest

5 0
2 years ago
What does a disease or disorder of the sensory system do?
Alexxx [7]

Answer:

It causes a loss of the sense being affected.

It causes a reduction of the sense being affected.

Explanation:

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A stretched bow and a compressed rubber ball both possess elastic potential energy.
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True it does have compressed potential energy
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