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lana66690 [7]
3 years ago
10

Lists 3 characteristics that are used to describe air

Biology
2 answers:
Mice21 [21]3 years ago
7 0

Answer:

Air is made up of gases.

Air has mass.

Air exerts pressure and has weight.

Air can be compressed.

Air is impacted by temperature.

Explanation:

i kno , u can aslos find it on google .

barxatty [35]3 years ago
6 0

Answer:

Density, Pressure and Mass. hope this help

Explanation:

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How do magnetic stripes of iron in ocean rock provide evidence of seafloor spreading
STatiana [176]

Answer:

In the 1960s, scientists found evidence that new material is indeed erupting along mid-ocean ridges. The scientists dived to the ocean floor in Alvin, a small submarine built to withstand the crushing pressures four kilometers down in the ocean. In a ridge’s central valley, Alvin’s crew found strange rocks shaped like pillows or like toothpaste squeezed from a tube. Such rocks form only when molten material hardens quickly after erupting under water. These rocks showed that molten material has erupted again and again along the mid-ocean ridge.

When scientists studied patterns in the rocks of the ocean floor, they found more support for sea-floor spreading. You read earlier that Earth behaves like a giant magnet, with a north pole and a south pole. Surprisingly, Earth’s magnetic poles have reversed themselves many times during Earth’s history. The last reversal happened 780,000 years ago. If the magnetic poles suddenly reversed themselves today, you would find that your compass needle points south.

Explanation:

I found this somewhere.

3 0
3 years ago
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2. What is an important base of variation in species? Are all forms of a gene the same?
bearhunter [10]
I don’t know sorry but you can search on google or safari and see for icivics and it would help you
8 0
3 years ago
Details of cellular structures are most easily seen
kirill115 [55]
D through a microscope!
hope this helps!
8 0
3 years ago
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The mistaken idea that life can arise from nonliving matter.
dangina [55]

Answer:

Spontanius Combustion.

Explanation:

3 0
3 years ago
Provide explanations of genotypes and phenotypes.
Korvikt [17]
The phenotype is the physical appearance of an organism, while the Genotype is the genetic composition of an organism. Phenotype is observable and are the expression of the genes of an individual. So even the organism with the same species may differ, with a minute difference in their genotype. This is the main difference between the two.

We can notice one’s hair colour, eye colour, height, weight, skin colour, etc. but cannot look at genes responsible for these characters, so the observable physical look is the phenotype while the unnoticed genes responsible for such characters present in the DNA of cell of the individual is genotype.

To explain the above lines, here is the simple example of a pure red colour flowering plant (RR) is crossed with the white colour flowering plant (rr). The result of the Genotype of the F1 generation will be – Rr (Hybrid red colour), and the Phenotype of the F1 generation will be the – Red colour flowering plant.

Genotype and phenotype are the two very closely related and similar-sounding words, but their meaning is different. Our earth has a dynamic variety of organisms, present in soil, water and on land. But as the genome of each organism is different, and so there phenotypes also whether it’s their colour, height, weight or other morphological features.
4 0
3 years ago
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