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Oduvanchick [21]
3 years ago
13

The parathyroids are responsible for regulating proper levels of which elements in the blood?

Biology
1 answer:
blondinia [14]3 years ago
3 0
Phosphate and calcium
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Carlo is wondering what causes plants to grow at different rates. Carlo's hypothesis is "Plants will grow more when the day is l
Sphinxa [80]

Options for the question have not been given. They are as follows:

type of soil

type of plants

exposure to sunlight

method for measuring the growth

Answer:

exposure to sunlight

Explanation:

A scientific experiment has an experimental group and a control group. Control group is included to omit any error in results due to the factors other than the variable factor. Experimental group is the one exposed to different levels of the variable factor.

Here, Carlo wants to determine the the effect of day length on plants' growth. The test variable here is thus the duration of sunlight. In experimental group, this duration will be changed to determine its effect. In control group it will be kept constant so that results from other factors can be excluded from the observed experimental result.

8 0
3 years ago
What feature of cell theory is best demonstrated in the image?
zvonat [6]

Answer:

pretty sure its a. not sure tho

7 0
3 years ago
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Which part of the brain keeps you breathing?
exis [7]

Answer:

It would be our brain stem .

Explanation:

6 0
3 years ago
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In the past several years we have seen increased numbers of forest fires occurring in our tropical rainforests. While natural bu
katen-ka-za [31]

Answer:

Increased global temperatures, leading to a 20% reduction in rainfall

Explanation:

According to this question, forest fires are becoming rampant in tropical rainforests. Although this occurrence is natural, tropical rainforests do not typically undergo this natural process due to the average yearly amount of rainfall. This means that the high amount of rainfall in tropical rainforests help prevent or reduce the high cases of forest fire incidence.

However, the recent increased occurrence of tropical rainforest fires is most likely attributed to an INCREASE IN GLOBAL TEMPERATURES, LEADING TO A 20% REDUCTION IN RAINFALL. This is because an increase in the global atmospheric temperature causes the reduction of the amount of rainfall, which naturally helps curb the occurrence of forest fires.

8 0
3 years ago
Which of the following is a sustainable practice?
Gnoma [55]

Answer:

D. Using only geothermal energy is a sustainable practice.

Explanation:

Geothermal energy is heat derived within the sub-surface of the earth.

5 0
3 years ago
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