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bazaltina [42]
3 years ago
15

Which best describe the structure of DNA?

Biology
2 answers:
Gelneren [198K]3 years ago
6 0
The answer would be C
Karo-lina-s [1.5K]3 years ago
4 0

Answer: Sugar PHOSPHATE backbones with bases on the side ( apex)

Explanation:

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Why does water form large round drops as it falls from a faucet with a slow leak
jarptica [38.1K]
Water molecules are polar. This means that one end of the molecule is positively charged, while the other is negatively charged. Opposite charges attract. Water molecules on the faucet that are eventually pulled away from the others by gravity will themselves pull together and form round drops because the charged portions of molecule attract the oppositely charged portions of another.
8 0
3 years ago
Your roommate, who has not studied climate, says, "I thought the greenhouse effect was a bad thing. Isn't it what's causing glob
Masja [62]

Answer:

b) and c)

Explanation:

Greenhouse gases are gases found in the atmosphere that absorb infrared radiation and trap the sun’s heat, thereby producing an effect known as <em>greenhouse effect.</em> By this natural way, the earth is able to be kept warm at an optimal temperature, to make it habitable for humans and other organisms. These gases referred to as <em>greenhouse gases</em> include, carbon dioxide, methane, water vapour and other trace gases found in the atmosphere.  Greenhouse gases could be likened to the glass in a greenhouse that helps in trapping heat to keep the greenhouse warm at optimal temperature necessary for plant growth and development.

Without this natural greenhouse effect caused by greenhouse gases, life on earth would be almost impossible as the earth would almost be covered with ice below 0 degrees Fahrenheit.

The increased level of greenhouse gases we now find in the earth’s atmosphere is responsible for the additional warming of the earth’s surface, causing an enhanced greenhouse effect which results in global warming.

Statement a) cannot be used as an explanation because it is false. Greenhouse effect makes the earth habitable.

Statement d) cannot be used as an explanation because carbon dioxide is not the only greenhouse gas that matters. Water vapour, CFC and methane also have impacts.

<em>Statement b) and c) are the best statements to use in explaining the true nature of greenhouse effect. </em>

7 0
3 years ago
What is the difference between a unicellular organism and a multicellular organism? How does this affect function?
kvv77 [185]
Multicellular organisms can be much larger and more complex. This is because the cells of the organism have specialised into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions.
3 0
3 years ago
.Which has more thermal energy, 500mL of boiling water or 250mL of boiling water?
kirill [66]
250ml cuz there’s less molecules that need to be heated w each unit of heat
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3 years ago
Which freshwater ecosystem is most productive?
e-lub [12.9K]
Swamp ... Hope this helps :)
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3 years ago
Read 2 more answers
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