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3 years ago

What would happen to the oceans if continental and oceanic crust had the same density?

Biology

1 answer:

levacccp [35]3 years ago

4 0

Answer:

The oceanic crust is formed by partial melting of the mantle at mid-ocean ridges. The continental crust is formed even more cycles of partial melting over time, resulting less dense rocks.

Explanation:

The mantle, oceanic crust, and continental crust all have different compositions due to a process called partial melting.

This is where you start to melt a rock, but don´t melt it all the way.

When you partially melt a rock, certain chemical elements tend to stay in the solid rock while others tend to go into the melted part.

As a result, the rock that forms from that melt is less dense than the original rock.

If you then partially melt that rock, you get a rock that is even lighter.

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GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new automated system that can detect bor

SashulF [63]

Answer:

The minimum mass of dissolved cholesterol that the new system must be able to detect is 0.43 milligrams.

Note: The question is incomplete. The complete question is:

GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new automated system that can detect borderline high levels of dissolved cholesterol (170, to 200. mg/dL), using a blood sample that is as small as 250 μL Calculate the minimum mass in milligrams of cholesterol that the new system must be able to detect Be sure your answer has the correct number of significant digits.

Explanation:

Range of the equipment to detect cholesterol in blood = 170.0 to 200.0 mg/dL

Minimum amount of cholesterol that can be detected by instrument = 170 mg/dL

Volume of blood sample = 250 μL= 0.0025 dL (1 dL = 100000 μL)

Amount of dissolved cholesterol in 250 μL sample of blood =

170 mg/dL * 0.0025 dL = 0.425 mg

The minimum mass of cholesterol that the new system must be able to detect is 0.43 milligrams.

7 0

3 years ago

The following chain represents how energy flows through ecosystems:

GrogVix [38]

Many plants and animals would die off if a nearby volcano erupted and filled the sky with dust particles, which caused significantly less sunlight to reach the ecosystem over the course of a year.

4 0

3 years ago

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A radula is a specialized feeding organ used to scrape material off of a substrate for ingestion, much like a cheese grater scra

Sergio039 [100]

Answer:

D. mass feeder

Explanation:

A) suspension feeder

B) fluid feeder

C) deposit feeder

D) mass feeder

Suspension feeder requires capturing of food that are suspended in water through the use of specialized organs.

Fluid feeding involves feeding on liquid (such as blood) emanating from other organisms.

Deposit feeding involves feeding on sediments

Mass feeding involves ingestion of scraps of different food materials.

Hence, the correct option is D.

7 0

3 years ago

The moon causes the earths Rotation to speed up / slow down which ?

My name is Ann [436]

Answer: slow down

Explanation:As Earth rotates, the Moon's gravity causes the oceans to seem to rise and fall. (The Sun also does this, but not as much.) There is a little bit of friction between the tides and the turning Earth, causing the rotation to slow down just a little. As Earth slows, it lets the Moon creep away.

3 0

3 years ago

What is benzaldehyde? It’s okay if u don’t know the answer just a random question :D

Alexeev081 [22]

"Benzaldehyde is an organic compound consisting of a benzene ring with a formyl substituent. It is the simplest aromatic aldehyde and one of the most industrially useful. It is a colorless liquid with a characteristic almond-like odor."

https://www.britannica.com/science/benzaldehyde

https://en.wikipedia.org/wiki/Benzaldehyde

8 0

3 years ago

Read 2 more answers