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3 years ago

How much solar radiation is reflected back by clouds?

Chemistry

1 answer:

inna [77]3 years ago

5 0

Answer:

it's D

Explanation:

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What element has 80 protons, 81 neutrons, 79 electrons?

Mariana [72]

Answer:

The element will be $^{161}_{80}X$

Explanation:

Given that,

Number of proton = 80

Number of neutron = 81

Number of electron = 79

We know that,

The atomic number is equal to the number of proton.

So, the atomic number is 80.

According to atomic number,

The element will be mercury.

We need to calculate the atomic mass

Using formula of atomic mass

$atomic\ mass=atomic\ number+number\ of\ neutron$

Put the value into the formula

$atomic\ mass=80+81$

$atomic\ mass=161$

We need to find the element

Using atomic mass and atomic number

$atomic\ mass\ number A=161$

$atomic\ number Z=80$

So, the element will be

$^{A}_{Z}X$

Put the value of A and Z

Hence, The element will be $^{161}_{80}X$

5 0

2 years ago

List two things in your environment that your body would need to adjust to

olchik [2.2K]

Answer:

Temperature & Humidity

Explanation:

If the body could not adapt to these changes, we wouldn't be able to live all over the planet; from the equator up to the polar caps.

6 0

2 years ago

Which organelle’s function is NOT correct?

Scorpion4ik [409]

The answer is the last one, “The cell membrane is the only source of support and structure in plant and animal cells.” That is false because plant cells have a cell wall and cell membrane while animal cells only have a cell membrane.

Hope this helps:)

5 0

2 years ago

Convert 0.965 moles of H2O to grams SHOW WORK

Tasya [4]

Answer:

17.37 grams

Explanation:

mass=moles × molar mass

mass = 0.965 × 18

mass = 17.37g

5 0

2 years ago

According to "Black Hole Beginnings," what causes the end of a star?

Alisiya [41]

Answer:

when it gets so dense and heavy it implodes, and creates a black hole

Explanation:

7 0

3 years ago

Read 2 more answers