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igor_vitrenko [27]
3 years ago
14

How do i use diatoms in a sentence

Biology
1 answer:
Scrat [10]3 years ago
4 0
Be found along with the diatoms and Radiolarla, in the uppermost 
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Is the elliptical shape of the earths orbit changes all the time
elena-s [515]

It is known that the Earth's orbit around the sun changes shape every 100,000 years. The orbit becomes either more round or more elliptical at these intervals. The shape of the orbit is known as its "eccentricity." A related aspect is the 41,000-year cycle in the tilt of theEarth's axis.

6 0
3 years ago
Two cities are separated by 200 miles. City X has an altitude of 122 meters and City Y has an altitude of 260 meters. Calculate
OleMash [197]

Answer: 0.69 m/ mile.

Explanation:

The altitude gradient between two cities X and Y = \dfrac{\text{Altitude of City Y - Altitude of city X}}{\text{Distance between two cities}}\times100\%

Given: Two cities are separated by 200 miles.

City X has an altitude of 122 meters.

City Y has an altitude of 260 meters.

The altitude gradient between two cities X and Y =

\dfrac{260-122}{200}=0.69\text{m/ mile}

Hence, the altitude gradient between the two cites = 0.69 m/ mile.

8 0
3 years ago
Which vitamin can be synthesized in significant amounts by humans and, therefore, may NOT be essential
Nadya [2.5K]

Answer:

The correct ansqwer is- Vitamin D

Explanation:

Vitamin D is the vitamin that can be synthesized by the human body itself therefore it is not an essential vitamin for human beings. Human skin is the part that helps in making this vitamin in humans.

The natural form of vitamin D is vitamin D3 which is formed by the sunlight exposure on the skin. When we expose our skin in the sunlight the UV radiation penetrated our skin and converts provitamin D3 into pre-vitamin D3 then this previtamin can be isomerized into the natural form of vitamin D Which is vitamin D3. So the right answer is vitamin D.

5 0
3 years ago
A gene for disease resistance in fir trees is transferred to pine trees using modern DNA technology. How might this be economica
artcher [175]
<span>D) More pine trees would live to maturity, increasing lumber output. This is the right answer hope this helps</span>
6 0
3 years ago
Read 2 more answers
Help please!! will mark brainliest ​
Anna11 [10]

Answer is the first option Place a metal paper clip on a table and slowly bring each electromagnet closer to the paper clip to see which can attract the paper clip from a greater distance.

I don't know why but I find your questions a bit too easy..

7 0
2 years ago
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