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Natali [406]
3 years ago
11

What did the 1980 Mount Saint Helens volcanic eruptions teach environmental scientists?

Biology
2 answers:
9966 [12]3 years ago
6 0

The 1980 Mount Saint Helens volcanic eruptions teach environmental scientists that many of the initial pioneering species actually survived the eruptions.

MrRissso [65]3 years ago
5 0
The first answer is the correct one 
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Functional Magnetic Resonance Imaging is a tool that has been very useful in identifying what parts of the brain do what. Scient
Ne4ueva [31]

Answer:

E. It takes a picture of the brain according to oxygen levels. More oxygen in an area indicates more activity in that area.

Explanation:

Haemoglobin is diamagnetic when oxygenated but paramagnetic when deoxygenated. This distinction in magnetic characteristics leads to tiny variations in the blood MR signal. Since blood oxygenation differs, these variations can be used to identify brain activity depending on the concentrations of neural activity.

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3 years ago
Darby finds a rock in her backyard. It has large crystals. She has found _____.
olga55 [171]
The right answer for the question that is being asked and shown above is that: "-an extrusive igneous rock." Darby finds a rock in her backyard. It has large crystals. She has found <span>-an extrusive igneous rock</span>
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3 years ago
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makvit [3.9K]

Answer:

1. Surface (substratum) is preconditioned by environment molecules.

4. Microbes attach and detach from the preconditioned surface.

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Explanation:

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2 years ago
The axons of the retina culminate in the ___ nerve which forms a ___ spot on the retina.
qaws [65]
The axons of the retina culminate in the optic nerve which forms a blind spot on the retina.

I hope this helps!
7 0
2 years ago
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Answer:

b

Explanation:b

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3 years ago
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