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scoray [572]
3 years ago
5

which plane velocity was greatest? Yeagers Bell x-1, The Concorde, SR71 blackbird, none they all traveled at the same speed.

Biology
1 answer:
Stels [109]3 years ago
3 0

Answer:

The SR-71 Blackbird.

Explanation:

The Lockheed SR-71 "Blackbird" was an American strategic reconnaissance aircraft that traveled at over mach 3, or 3 times the speed of sound. The Concorde was a French passenger jet with a top speed of just over mach 2. The Bell X-1 was the first supersonic test plane and had to be dropped from a larger plane to reach altitude.

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Levels of HDL, LDL, and triglycerides in the blood: are simple traits. are influenced by many different genes. tend to cluster i
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Answer:

are influenced by many different genes

Explanation:

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3 years ago
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ivann1987 [24]

Answer:

<u>d. the cells in primary cell cultures do not divide.</u>

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<u>hope</u><u> </u><u>it</u><u> </u><u>helped</u><u> </u><u>you</u><u> </u>

Explanation:

<em>The main difference between primary and secondary cell culture is that the primary cell culture contains the cells directly obtained from host tissue, whereas the secondary cell culture contains sub-cultured cells from primary cell culture.</em>

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Therefore, sleep is necessary for growth is a correct option.


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