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mart [117]
3 years ago
9

Early life arose in an oxygen-free environment, but if any of these microbes had somehow come in contact with oxygen, the most l

ikely effect would have been ________.
Chemistry
1 answer:
Leya [2.2K]3 years ago
7 0

Answer:

the effect of oxygen on these types of microbes is it will kill them.

Explanation:

When oxygen present in the environment come in contact with anaerobe bacteria it kill them because oxygen in air act as excited oxygen singlet molecule which will react with the water present in the cell of bacteria and convert it into hydrogen peroxides and bacteria do not have any defense system from hydrogen peroxide and ultimately it kill the bacteria.

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The diagram below shows the layers in Earth's interior.
Arada [10]

Answer:

layer B is liquid because of the inner members and layer A is solid because of the outer members

5 0
2 years ago
If an object has a density of 0.55 g/mL, what is its density in cg/L?
expeople1 [14]

"cg" is centigram, which is one-hundredth of a gram.

I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

\frac{0.55g}{mL}*\frac{100cg}{1g}*\frac{1000mL}{1L}=55,000\frac{cg}{L} \ or \ 5.5e4\frac{cg}{L}

3 0
4 years ago
Convert 8.9 miles (mi) to inches (in). 1 mi = 5,280 feet (ft); 1 ft = 12 in
Minchanka [31]

Answer:One mile is also equal to 5,280 feet or 1,760 yards. The mile is a US customary and imperial unit of length. Miles can be abbreviated as mi, and are also sometimes abbreviated as m. For example, 1 mile can be written as 1 mi or 1 m. Inches. An inch is a unit of linear length measure equal to 1 / 12 of a foot or 1 / 36 of a yard.

Explanation:

5 0
3 years ago
A car is held motionless off the ground by a hovering helicopter. If the car's mass is 1500kg, what is the force on the car due
bixtya [17]

<span>Force of the helicopter is equivalent to weight for this case. </span>Weight is calculated by multiplying the mass of the object and the acceleration. For this case, the acceleration would be the acceleration due to gravity which is equal to 9.81 m/s^2. We calculate as follows:<span>

W = mg 
<span>W = 1500 kg ( 9.81 m/s^2 )</span></span>

<span><span>W = 14715 N </span></span>

6 0
3 years ago
Read 2 more answers
Describe the nucleus of the atom. Include a description of its size relative to the rest of the atom.
faust18 [17]

Answer:

The nucleus is the most densely compacted part of the atom, it is in the center circled by the electron cloud or shells. It is filled with positively charged protons, and neutrons which have no charge. It is smaller than the electron cloud in size, but in quantity it has more subatomic particles since protons and electrons are equal and the nucleus has nuetrons

6 0
4 years ago
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