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OLga [1]
3 years ago
13

What is the step of the scientific method that involves test of hypothesis

Biology
2 answers:
Dvinal [7]3 years ago
5 0

The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.

katovenus [111]3 years ago
4 0

Answer:

1) Make an observation that describes a problem,

2) Create a hypothesis,

3) Test the hypothesis

4) Draw conclusions and refine the hypothesis.

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6 0
3 years ago
What main elements do lipids proteins,carbohydrates and nucleic acids have in common
nataly862011 [7]

Answer:

The common elemental ingredients are carbon, hydrogen, and oxygen.

4 0
3 years ago
What are the reactants and the products in this equation?<br><br> 2H2 + O2 → 2H2O
Hitman42 [59]

Answer:

Reactants: hydrogen and oxygen

Products: water

Explanation:

The reactants are what goes into a reaction, i.e. what is reacting. The products are what is formed. The reactants are usually shown on the left, and the products are usually shown on the right.

We can see in this equation that hydrogen (2H2) is reacting with oxygen (O2) to form water (2H2O). Therefore the reactants are hydrogen and oxygen, and the product is water.

4 0
4 years ago
For a science fair project, two students decided to repeat the Hershey and Chase experiment, with modifications. They decided to
Reptile [31]

Answer: E. Amino acids (and thus proteins) also have nitrogen atoms; thus, the radioactivity would not distinguish between DNA and proteins.

Explanation:

The Hershey-Chase experiment, is an experiment that demonstrated that the genetic material of phage isn't protein but rather it's DNA.

Based on the information given in the question, the experiment will not work because amino acids (and thus proteins) also have nitrogen atoms; thus, the radioactivity would not distinguish between DNA and proteins.

Therefore, the correct option is E.

4 0
3 years ago
Why do the other planets take longer to orbit the Sun than the inner planets do​
Zepler [3.9K]

Answer:

Outer planets take longer to orbit than inner planets because of the greater distance they need to cover. They also are further from the sun weakening the power of the suns gravitational pull which causes then to orbit slower.

Explanation:

!!

5 0
3 years ago
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