2 years ago

What is the rate of photosynthesis?

1 answer:

6 0

Answer:

photosynthesis is the process by which green plant manufacture their own food using sunlight from the sun , water and mineral salt from the soil

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Which two particles are present in the nucleus of an atom? Electrons and neutrons Electrons and molecules 1 TH O Protons and neu

aleksandrvk [35]

Answer:

Protons and neutrons

Explanation:

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2 years ago

The basic barometer can be used to measure the height of a building. If the barometric readings at the top and the bottom of a b

erma4kov [3.2K]

Answer:

$h = 269.6 m$

Explanation:

Pressure at the bottom of the building and at the top of the building must be related as

$P_{top} = P_{bottom} - \rho g h$

$P_{top} = 730 mm Hg$

$P_{bottom} = 755 mm Hg$

now we will have

$(755 \times 10^{-3})(13.6 \times 10^3)(9.81) = P_{bottom}$

$P_{bottom} = 1.007 \times 10^5 Pa$

$P_{top} = (730\times 10^{-3})(13.6 \times 10^3)(9.81)$

$P_{top} = 0.974 \times 10^5$

now we have

$(1.007 - 0.974)\times 10^5 = 1.25 (9.81) h$

$h = 269.6 m$

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2 years ago

About how much of Earth's water is available for humans to use?

lesya692 [45]

Answer:

0.3 %

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Earth cleans and replenishes the water supply through the hydrologic cycle. The earth has an abundance of water, but unfortunately, only a small percentage, is even usable by people.

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2 years ago

An iron ball weighs 80 N on the surface

Degger [83]

Answer:

2√5N will be the weight.

Explanation:

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2 years ago

NEED HELP TODAY

Free_Kalibri [48]

Answer:

I am pretty sure it is B My friend hope you are well

Explanation:

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2 years ago

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