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navik [9.2K]
3 years ago
11

HELPPPP ASAP!!!!! These are the last onesss

Biology
2 answers:
Black_prince [1.1K]3 years ago
7 0
Question 2 has no motion question 3 is accelerating and Question 4 is decelerating
butalik [34]3 years ago
6 0
3. A
4. C
2. B
This isn’t biology
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A student used poster board to construct this model of DNA.Which statement describes this model of DNA?
pantera1 [17]

Answer:

The model is inaccurate because the base pairs are incorrect.

Explanation:

The model of DNA that the student made was:

G-G

A-A

T-T

C-C

G-G

A-A

T-T

C-C

The model is pairing the bases incorrectly since guanine (G) forms a base pair with cytosine (C) and adenine (A) with thymine (T). In other words, the bases do not pair with the same type.

The DNA strands, which have deoxyribose, phosphate groups, and different bases, are together thanks to hydrogen bonds between the pairs. The pair G-C has three hydrogen bonds, while the pair A-T has two hydrogen bonds.

8 0
2 years ago
Communication and transportation have improved as a result of scientific advancements
Sladkaya [172]

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7 0
3 years ago
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Which is a sustainable practice?
Ostrovityanka [42]

Answer:

A. wind farms

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3 years ago
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Disturbances to an ecosystem, such as fires and floods, are often seen as negative. Describe a situation where
trasher [3.6K]

Answer:

A biological community in which association takes place between the organisms and their physical surroundings is termed as an ecosystem. It can also be defined as an association between the nonliving and living components found within the environment. A particular geographical region, which is specified for the species thriving within it is known as a biome.  

A branch of science, which deals with the natural procedures that comprise fire within an ecosystem and the ecological influences it imparts, the association between the biotic and the abiotic constituents of an ecosystem with the fire, and the role played by fire within an ecosystem is termed as a fire ecology.  

Different kinds of ecosystems like savanna, prairie, coniferous forests and chaparral have originated by the contribution of the fire, which plays an essential role in the renewal and vitality of the habitat. Different kind of plant species needs the assistance of fire to establish, to reproduce, or to germinate. In case, if the suppression of wildfire takes place, it will eventually result in the eradication of various plant species and the animals that rely upon them.  

4 0
3 years ago
Why is cellular respiration important?
Vinvika [58]
Well I’m pretty sure it A. if we are just picking from these two because breathing doesn’t make glucose lol
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