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Mazyrski [523]
3 years ago
8

Yang is an agriscientist seeking to protect crops against pests. He selects plants that have shown a resistance to these pests.

What MOST likely
will Yang do with these plants?
OA
breed them
OB
harvest them
OC. germinate them
OD
fertilize them
Biology
1 answer:
Reika [66]3 years ago
7 0
D fertilize them because it’s common sense
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A bird is flying in the air at a 4 m/s. If the mass of the bird is 7kg what is it’s kinetic energy
yaroslaw [1]

Answer: The kinetic energy of the flying bird is 56 Joules.

Explanation:

Mass of the bird  = 7 kg

Velocity of the flying bird = 4 m/s

Kinetic energy of the bird will be given by :

K.E.=\frac{1}{2}mv^2

K.E.=\frac{1}{2}\times 7 kg\times (4 m/s)^2=56 Joules

The kinetic energy of the flying bird is 56 Joules.

4 0
3 years ago
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Tetrodotoxin, also known as "zombie powder" is synthesized by the puffer fish as a defense mechanism. Tetrodotoxin's mechanism o
torisob [31]

Answer:

True

Explanation:

Tetrodotoxin is the molecules that act as a poison to the organism in which they are injected.

The tetrodotoxin proves lethal to the organisms as it kills the organism by interfering with the nervous system. The tetrodotoxin blocks the sodium channels in the neuron as a result of which the sodium is unable to enter the neurons and hence the electrical impulse is not generated.

If the tetrodotoxin blocks the motor neuron transmission by blocking the sodium channels then the signals will not reach the muscle and muscle will not be able to contract.

Thus, true is correct.

6 0
3 years ago
Exposure the radiation such as an X-ray may change the sequence of
Citrus2011 [14]

Answer:

Mutation

Explanation:

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What would be the independent variable in the following hypothesis?
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The independent variable in the hypothesis of an observed increased in sea turtle sickness once an increase in red tide can be seen would be the increase of red tide. 

The reason for this is that red tide increases or decreases will happen independently of the amount of sea turtle sickness - therefore increasing sea turtle sickness will be dependent on the first variable. (independent one).
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3 years ago
What is the chromosome theory of inheritance
alex41 [277]
Http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-C/chrom_theory_inheritanc....  <span>The theory that chromosomes are linear sequences of genes. The unifying theory stating that inheritance patterns may be generally explained by assuming that genes are located in specific sites on chromosomes.

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