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Morgarella [4.7K]
2 years ago
13

In which layer of the atmosphere did the Concorde cruise?

Biology
1 answer:
storchak [24]2 years ago
8 0

Answer:

The Concorde aircraft cruised at Mach 2 at about 19,000 m (62,000 ft), and the SR-71 cruised at Mach 3 at 26,000 m (85,000 ft), all within the stratosphere.

Explanation:

Your Welcome:)

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A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cell
Marrrta [24]

Answer:

M phase: 4.8 hr

Prophase: 2.4 hr

Prometaphase: 0.72 hr

Metaphase: 0.24 hr

Anaphase: 0.84 hr

Telophase: 0.6 hr

Explanation:

Mitosis, also known as M phase, is the process of nuclear division after interphase, which is followed by cytoplasmic division via cytokinesis. Mitosis can be subdivided into the following phases: Prophase,  Prometaphase, Metaphase, Anaphase, and Telophase. In this case, 160 cells are in interphase (for a total of 200 cells), thereby 40 cells are in mitosis >> 200 - 160 = 40 cells. Since the complete cell cycle requires 24 hours, it is possible to calculate the average duration of each phase:

M phase: 40/200 = 0.2 x 24 hr = 4.8 hr

Prophase: 20/200 = 0.1 x 24 hr = 2.4 hr

Prometaphase: 6/200 = 0.030 x 24 hr = 0.72 hr

Metaphase: 2/200 = 0.01 x 24 hr = 0.24 hr

Anaphase: 7/200 = 0.035 x 24 hr = 0.84 hr

Telophase: 5/200 = 0.025 x 24 hr = 0.6 hr

3 0
3 years ago
How is sunlight beaming into a lake impacted by turbidity?
kkurt [141]

Answer:

BECAUSE THEY LIGHT DISTRACTS IT

Explanation:

7 0
3 years ago
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other than earth, is also known to have magnetic pole reversal? A:venus B:Mars C:Earths moon D: The Sun
Dafna1 [17]

Answer:

c.earths moon

Explanation:

earths moon rotates around the earth and causes night to the earth ,as we all know,so c. is the answer.

8 0
3 years ago
Read 2 more answers
How do organisms (living things) differ from matter (non-living things)
VMariaS [17]

Answer:

All living things breathe, eat, grow, move, reproduce and have senses. Non-living things do not eat, grow, breathe, move and reproduce. They do not have senses.

Explanation:

i hope i helped

5 0
2 years ago
Some of the first animals to develop an endoskeleton were _____. mollusks arthropods annelids echinoderms
Lubov Fominskaja [6]
<span>Some of the first animals to develop an endoskeleton were: echinoderms.</span>
4 0
3 years ago
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