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2 years ago

Please help me with my homework .I really do not understand these questions ,help!

Biology

1 answer:

BigorU [14]2 years ago

5 0

Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay, but may also be produced in oth

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If a blue light shines on a green dress what colour would the dress be?

DerKrebs [107]

answer: if you shine a blue light on a green dress the blue would be reflected

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2 years ago

An Asian elephant has a weight of 52,900 newtons. This enormous weight is balanced on four feet. In a circus act, these elephant

Aleonysh [2.5K]

Answer:

Option B, $18.11 \frac{N}{cm^{2}}$

Explanation:

Given-

The average surface area of one foot pad of an elephant is $2920$ $cm^{2}\\$

Weight of an Asian elephant is $52900$ newton

As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.

Thus, pressure on one foot pad of elephant is $\frac{52900}{2920} \frac{N}{cm^{2}} \\$

$= 18.11\frac{N}{cm^{2}}$

Hence, option B is correct answer

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2 years ago

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Alexxx [7]

Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.

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3 years ago

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oksano4ka [1.4K]

Answer:

Explanation:

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2 years ago

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A molecule of water (H2O) has which bonds?

Dima020 [189]

Answer: 2 covalent bonds

Explanation:

In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.

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2 years ago