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viva [34]
2 years ago
5

Whats the average velocity of a bus if it travels 140 km west in 3 hours

Biology
1 answer:
larisa86 [58]2 years ago
7 0
You need to do speed divided by time
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Briefly explain how cell differentiation and cell death are both needed to develop such structures as human hands and feet.
Diano4ka-milaya [45]

Answer:

Apoptosis also plays a key role in human development. For instance, as we saw in the introduction, your hand started out as a paddle-like block of tissue when you were an embryo. The block was “carved” into fingers by apoptosis of the cells in between the developing fingers.

Explanation:

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Tim does a study to determine whether or not cigarette smoking decreases speed in track runners
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Cigarette smoking decreases speed in track runner, due to the fact that their lungs have black spots. Making it harder for them to breathe. And harder to breathe causing slowing in speed.
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3 years ago
A die is rolled 90 times to see if it is fair. The table below shows the outcomes. Fill in the table with the expected counts.
vfiekz [6]

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Explanation:

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3 years ago
Which physical evidence supports the evolution of earth due chemical weathering?
puteri [66]

<u>Answer</u>:

Concave shape of the wave rock  is a physical evidence that  supports the evolution of earth due chemical weathering

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It is the best physical evidence of collection in the earth’s evolution. The earth surface is 2.7 billion years old, also the basis for formation of Australian continent formation. The wave rock is formed by weathering of the surrounding area, which helps in proving the deposition part, as the wave rock was below the ground, occurred due to deposition of rock years over years. It is made from very tough material from its surrounding. The weathering reduced the surrounding terrain, while the bedrock remained to witness for the history.  

8 0
2 years ago
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Pls help I am on a timer...
elena55 [62]

Answer:

C

Explanation:

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