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Karo-lina-s [1.5K]
3 years ago
12

A scientist wants to determine which fertilizer is more effective—Fertilizer X or Fertilizer Y. The best way for her to proceed

would be to design an experiment with A. two groups of plants—a group fertilized by X and a control group with no fertilizer. B. two groups of plants—a group fertilized by Y and a control group with no fertilizer. C. three groups of plants—a group fertilized by X, a group fertilized by both X and Y, and a control group with no fertilizer. D. three groups of plants—a group fertilized by X, a group fertilized by Y, and a control group with no fertilizer.
Biology
2 answers:
sveticcg [70]3 years ago
7 0

Answer:b

Explanation:because it is

Scorpion4ik [409]3 years ago
3 0

Answer: D. three groups of plants—a group fertilized by X, a group fertilized by Y, and a control group with no fertilizer.

Explanation:

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Cloud [144]
I think the answer is B
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Name and describe three ways in which populations can become isolated.
erica [24]

Answer:1. not enough natural ingredients like food and water, 2. the people your are surrounded in the environment, 3. the laws or rules that apply to living in gov./environment

Explanation:

1. maybe there aren't enough local stores in your area and you have to walk or drive miles just to get there, 2. maybe you have some connotation with people around you, or they themselves are setting good examples for you or your family, the community is too crowded, 3.maybe you want to leave a country because the system doesn't work for you, discrimination laws or a form of unfairness and mistreatment. maybe  too intrusive.

8 0
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What is Carbon Dioxide?<br> A medicine<br> B candy<br> C colorless gas<br> D special kind of steel
lesantik [10]

Answer:

Colorless gas

Explanation:

6 0
3 years ago
Pasteur's work shows us that theories A) can be disproved by peer review. B) must be modified as time goes by. C) can be modifie
Veseljchak [2.6K]

Answer:

the answer is c

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theories can be modified with new empirical data

8 0
3 years ago
Just 5 and 10 only answer the question
valkas [14]

Answer:

5] Neutron: Charge= 0 Atomic mass unit = 1

10] <u>Hydrogen:</u>

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Number of protons = 2

Number of neutrons = 2

Number of electrons = 2

Atomic number = 2

<em>Note:</em>

<em>Atomic number = proton number</em>

<em>Neutron number = Mass number - atomic number</em>

<em>Number of electrons = number of protons</em>

<em />

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