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Semenov [28]
3 years ago
12

The dark brown organic material found in soil is called __________. Question 13 options: compost fertilizer humus sediment

Biology
1 answer:
Svet_ta [14]3 years ago
3 0

The answer to your question is humus.

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You step on something in the yard resulting in a puncture wound that does not bleed freely. antigens from any microbes that ente
Oduvanchick [21]
Blood stream.

Once they enter that wound, it can be infected because germs ended up in the blood stream.
6 0
3 years ago
Study the diagram of a cell.
lord [1]

Answer:

in my knowledge

Option B: X

Explanation:

Plant cells have certain features, including chloroplasts, cell walls, and intracellular vacuoles. 

Photosynthesis takes place in chloroplasts; 

hence, X is your answer

7 0
3 years ago
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Rachael wants to test how sunlight impacts plant growth over time. She will add varying amounts of light to different sets of pl
Mrrafil [7]

Answer:

Independent variable: varying amounts of light

Dependent variable: plant growth

Explanation:

The variable, which are factors that can be altered, in an experiment can either be independent or dependent. An independent variable is one in which the experimenter manipulates or controls in order to bring about an outcome. For this experiment conducted by Rachel, the independent variable is the VARYING AMOUNT OF LIGHTS.

The dependent variable is the variable that responds to changes of the independent variable. In other words, the dependent variable is the outcome of manipulating the independent variable. Hence, the dependent variable is dependent on the independent variable. For Rachel's experiment, the PLANT GROWTH is the dependent variable because it is what responds to changes in amount of light (independent variable).

4 0
3 years ago
To help sort out those bacteria that have the vgp gene, scientists first attempt to grow the bacteria both in a medium with ampi
kotegsom [21]
Bacteria without plasmid will only grow in the media without penicillin since it doesn't have immunity.
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8 0
3 years ago
9. _______ is a force of attraction that occurs between objects due to their mass. A. Magnetism B. Weight C. Deposition D. Gravi
ipn [44]
Hey there!

Your answer is option "D."
Gravity is a force of attraction that occurs between objects due to their mass.
Gravity is why we are attracted to Earth, it pulls us to the ground.

Hope this helps you.
Have a great day!
6 0
3 years ago
Read 2 more answers
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