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Marianna [84]
4 years ago
13

Human activities

Physics
1 answer:
rodikova [14]4 years ago
7 0

C

Greenhouse effect is the warming of planet due to greenhouse gases in the atmosphere trapping infrared radiation reflecting from the earth's surface.

Explanation:

The earth has a natural greenhouse effect that comes from natural events like volcanos the spew gases such as carbon dioxide into the atmosphere.  Even wildlife and bacteria produce carbon dioxide and methane from respiration. These greenhouse gases maintain are relatively safe greenhouse effect that keeps the planet warm. Without the greenhouse effect, the earth’s average temperatures would be -18 degrees centigrade. The greenhouse gases are regulated by uptake b carbon sinks like forests.

However, humans have exacerbated this greenhouse effect by spewing more carbon dioxide in the atmosphere(more than it is taken up by processes like photosynthesis) hence increasing the greenhouse effect responsible for increasing global temperatures.

Learn More:

brainly.com/question/12615716

brainly.com/question/12800041

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Describe the relationship between joules, meters, and newtons
Naily [24]
Newton is a unit of force. Joules is an amount of work which is equal to the force times distance, or newton meters. So the product of newtons and meters makes joules.
5 0
3 years ago
Match the following. Match the items in the left column to the items in the right column.
Lorico [155]

Answer:

1. A fossil that is widespread geographically but only occurs in one layer or a small number of layers of rock

2. Sediment deposited into water will spread in a horizontal and continuous sheet

3. Any undisturbed sequence of layered rocks has the oldest rock on the bottom and newest rock on the top

4. Study of fossils

5. Study of rock layers and the process that form them

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5 0
3 years ago
A vertical spring stretches 4.0 cm when a 12-g object is hung from it. The object is replaced with a block of mass 28 g that osc
marin [14]

Answer:

Time period of the osculation will be 0.0671 sec  

Explanation:

It is given a vertical spring is stretched by 4 cm

So change in length of the spring x = 4 cm = 0.04 m

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Sprig force will be equal to weight of the mass

So kx=mg

k\times 0.04=0.012\times 9.8

k = 244.7 N/m

Now new mass is m = 28 gram = 0.028 kg

So time period with new mass will be

T=2\pi \sqrt{\frac{m}{k}}

=2\times 3.14 \sqrt{\frac{0.028}{244.7}}=0.0671sec

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3 years ago
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MariettaO [177]

Answer:

They move freely in all directions

Explanation:

7 0
3 years ago
According to the law of conservation of matter, the number of ________ is not changed by a chemical reaction.
kondaur [170]
The answer should be atoms.
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3 years ago
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