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Nataly [62]
3 years ago
7

Why would freezing a balloon full of air causer to shrivel

Biology
2 answers:
NikAS [45]3 years ago
8 0
As it gets colder, the molecules get less dense which causes it to get smaller.
Maru [420]3 years ago
4 0

Answer:

Explanation:

This low temperature causes an air-filled balloon that's dipped into a tub of liquid nitrogen to shrivel up. That's because cool air takes up less space than warm air does, causing the balloon to shrink

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How do cells make up living organisms?
Lorico [155]

Answer:

multiple types of cells that are connected make up all living organisms

Explanation:

since biology explains the definition of cells, being the structural unit of all living organisms, it qualifies the statement that multiple types of cells connect to make up living organisms.

7 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs.
MrMuchimi

Answer:

Denitrification = bacteria convert nitrates into nitrogen gas.

Denitrification occurs when nitrogen is removed from the soil and this happens when bacteria concert nitrites back to Nitrogen gas.

Nitrification = Bacteria convert ammonia to nitrites and nitrates.

Nitrification is the process by which bacteria concert ammonia made from ammonification into useful organic compounds like nitrites.

Nitrogen fixation = bacteria break down waste products and return nitrogen to the soil.

Nitrogen fixation is when bacteria return nitrogen to the soil by breaking down waste products that fall into the soil.

Ammonification = bacteria convert atmospheric nitrogen to ammonia.

During ammonification, bacteria converts nitrogen compounds to Ammonia or Ammonium.

Assimilation = Plants and animals take in and use nitrogen compounds.

Assimilation then occurs when plants take in these nitrogen compounds and use them. Animals will get these compounds by eating the plants.

6 0
3 years ago
Read 2 more answers
The _____ theory of dreaming proposes that dreaming occurs when the cerebral cortex synthesizes neural signals generated from ac
jeka94

Answer:

The correct answer is- activation synthesis theory

Explanation:

The activation-synthesis theory tells us about the role of neuron in dream production during sleep. It was first proposed in 1977 by Allan Hobson and Robert McCarley which was psychiatrists at Harvard University.

This theory says that in REM sleep some neurons in the lower brains for example in the brain stem randomly activates due to change in neural signals and dream occurs when the cerebral cortex tries to interpret the meaning of these neuron signal changes.  

So the correct answer to this question is- activation-synthesis theory.

7 0
3 years ago
Which is the oldest galaxy? Spiral Spiral Milky Way Milky Way Elliptical Elliptical Irregular
son4ous [18]

Answer:

elliptical

Explanation:

Curious enough, the smallest galaxies are also the elliptical types. The oldest and farthest galaxy ever discovered is an irregular type of galaxy called GN-z11. It is 32 billion light-years / 9.8 billion parsecs away from us. It is estimated that the galaxy formed just around 400 million years after the Big Ban

3 0
4 years ago
I need help on 14 please
andreyandreev [35.5K]
I think it's A?? B makes sense but the beginning of the paragraph is talking about how the royal society of science wasn't impressed, so it seems like the focus is on that and not how he defended against lightning strikes.
8 0
3 years ago
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