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antoniya [11.8K]
4 years ago
12

Select from the drop-down menu to correctly complete the sentence. In order for a chemical reaction to take place, a certain amo

unt of _____ must be present.
A. Chemicals
B. Energy
C. Friction
D. Heat
Biology
2 answers:
MrMuchimi4 years ago
8 0
Chemicals i think but i really don’t know
Trava [24]4 years ago
5 0

Answer:

B. Energy

Explanation:

If there is no energy, nothing can happen.

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The bulk of facebook's revenue comes from: advertising
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For the roller ball, create a subset of messaging/marketing that speaks to this product specifically.
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The marketing of roller ball can be given with the questions such as Don't just mask the pain, fix the problem.

<h3>What is marketing?</h3>

Marketing can be given as the process of creating demand by meeting goods and services in the market. The marketing can be followed with varying messaging that targets a problem.

The complete question is given in the image attached below.

Some of the marketing messages that speak for the roller ball in the market are:

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The resistance to the pesticide in insects occurred because
Gemiola [76]

Answer:

The correct answer is option B. favorable change in DNA of the insect.

Explanation:

At the point when a pesticide is first utilized, a little extent of the pest population may survive to introduction to the material because of their particular hereditary or genetic makeup. These surviving individuals pass along the gene resistance to particular insecticide or pesticide to next generation.

Upon introduction to pesticides, insects that don't have the resistance die eventually, in this manner permitting the insects with the resistance genes to endure and reproduce,creates more resistance insects.

Thus, the correct answer is option B. favorable change in DNA of the insect.

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What are the options? you can use DNA technology to fix specific proteins for different people
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