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Anna11 [10]
3 years ago
12

I have 3 plants. the same type of seed, soil, organic fertilizer, chemical fertilizer, water, and a ruler. I need to figure out

the independent variable dependent variable and controlled variable. he added chemical to the first pot, organic to the second and no fertilizer to the third​
Biology
1 answer:
Annette [7]3 years ago
6 0

Answer:

Independent: type of fertilizer

dependent: plant growth

control: soil, seed, water, type of pot, environment/amount of sunlight, air quality, etc.

Explanation: Think about it like this: the dependent variable DEPENDS on the independent variable. The fertilizer will control how tall the plant grows (if there is a relationship between them). Then the control variable is ANY VARIABLE that remains the same in all trials. You can only manipulate one variable (have one independent variable) or else the experiment is not valid.

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6. In making decisions about land use, what criteria might be used to determine the kinds of evidence that should be required? D
AysviL [449]

Location of land, resources available around and for the land, environment around the soil, texture of soil and water availability.

<h2>Criteria needed for land use</h2>

Resources available around and for the land, environment around the soil, texture of soil and water availability are the criteria which can be used to determine the kinds of evidence that should be required in making decisions about land use.

If the land has all resources needed for agriculture then the land must be use for agriculture purpose while on the other hand, if the land has limited resources such as water and poor soil texture then the land will be used for infrastructure so we can conclude that available resources to the land decides the usage of land.

Learn more about land here: brainly.com/question/751987

Learn more: brainly.com/question/26248025

6 0
2 years ago
Why hydroelectric is better than other resources
motikmotik

Answer: Hydroelectric power is a renewable resource that doesn't rely on the whether.

Explanation: Solar power and wind power are also renewable resources but they both rely on whether. Wind power can't work without wind, and solar power can't produce as much energy on stormy or overcast days.

8 0
3 years ago
How are food webs different to food chains? Explain why foodwebs are more useful
mojhsa [17]

Answer:

Explanation:

A food chain is different because it shows what organisms eat in a straight line, in a chain. For example, a bird of prey can eat a snake that previously had eaten a frog and the frog ate a grasshopper and so on. But this tells us very little. A foodweb will tell us how all those animals are connected and what they eat in a web, not just a line.

3 0
3 years ago
Prior to the invention of refrigeration, meat was often preserved by soaking it in brine (a solution of water with a high concen
Anon25 [30]
Water would move out of the cells of the microorganisms by osmosis and the cytoplasm would become dehydrated, killing the cells.
The brine is a hypertonic solution, thereby "pulling" the water out of the bacterial cells.
4 0
3 years ago
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What is the main factor in the net driving force for filtration in the glomerulus?
ELEN [110]

Answer:

The correct answer is a. Capillary hydrostatic pressure

Explanation:

The capillary hydrostatic pressure is one that favors glomerular filtration, then there are the forces that oppose this action: Bowman's capsule hydrostatic pressure and osmotic force.

3 0
4 years ago
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