3 years ago

3. How are natural selection and selective breeding related? can someone help?

1 answer:

8 0

Answer:

In natural selection, organisms adapt to the environment to best suit nature's needs to survive. In selective breeding, it's as if nature were humans and the humans can choose which organisms can survive and die. They do it so they can develop organisms with desirable characteristics.

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Answer:https://es.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:intermolecular-forces-and-properties/x2eef969c74e0d802:properties-of-solids/v/ionic-solids

Explanation:

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3 years ago

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Calculate the concentration imports per million ppm of DDT if a sample size of 5000 g contained 0.10 g DDT

nevsk [136]

Answer:

20ppm

Explanation:

parts per million are defined as the mass of solute in mg (In this case, mass of DDT) per kg of sample.

To solve this question we must find the mass of DDT in mg and the mass of sample in kg:

0.10g * (1000mg / 1g) = 100mg

<em>Mass sample:</em>

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Parts per Million:

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3 years ago

What defines the group of organisms referred to as protist

avanturin [10]

Well protists quite very as organisms i.e it is hard to say if an organism is a protist. Some main features of protists are that they have
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2.They are mainly single celled

Also protista are found mainly anywhere water is present for example damp soil, pools and lakes.

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4 years ago

At 95°C, the pressure of a sample of chlorine is 1.15atm. What will the pressure be at 105°C, assuming constant volume?

Jobisdone [24]

Answer:

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(1 .15/368)×378

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