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serious [3.7K]
3 years ago
12

Which best describes the structure of a DNA molecule?

Biology
1 answer:
SOVA2 [1]3 years ago
6 0

Answer:

A

Explanation:

the best choose is A..........

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Please help!!!
Wittaler [7]

Answer:

B

Explanation:

because it combined with hydrogen and helium

3 0
3 years ago
Read 2 more answers
You need to drink at least 8 cups of water each day to maintain a healthy water balance.
V125BC [204]
True because that will make you have a healthy water balance lol
3 0
4 years ago
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Describe in detail three ways in which climate change can affect human activity
tamaranim1 [39]
The impacts of climate change include warming temperatures, changes in precipitation, increases in the frequency or intensity of some extreme weather events, and rising sea levels. These impacts threaten our health by affecting the food we eat, the water we drink, the air we breathe, and the weather we experience.
8 0
3 years ago
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What did you include in your response? Check all that apply Longitudinal and transverse waves are mechanical waves, so they both
Vanyuwa [196]

Answer:

Longitudinal waves are waves that transfer energy parallel to the direction of wave motion.

Transverse waves are waves that transfer energy perpendicular to the direction of wave motion.

Explanation:

First of all, transverse waves are not mechanical waves at all. Longitudinal waves are mechanical waves.

Longitudinal waves are waves that transfer energy parallel to the direction of wave motion. A typical example of longitudinal waves is wave on a spiral spring.

Transverse waves are waves that transfer energy perpendicular to the direction of wave motion. A typical example of a transverse wave is light wave and other electromagnetic waves.

3 0
3 years ago
Some relationships between organisms are described below. What type of relationship does each statement describe?
kipiarov [429]

Answer:

Competition, predation, commensalism, mutualism and parasitism.

Explanation:

There are five types of relationships present between organisms such as competition, predation, commensalism, mutualism and parasitism. Competition is a type of interaction between organisms in which both the organisms are harmed. In predation relationship, one organism feed on the other by killing it. commensalism is a relationship in which one is benefited and the other is neither benefited nor harmed. In mutualism relationship, both the organisms or species gets benefit from one another whereas parasitism is a type of relationship in which one organism is benefited and the other is harmed not killed.

3 0
3 years ago
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