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balu736 [363]
2 years ago
10

1. Where does the oxygen produced by photosynthesis come from?

Biology
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

water

Explanation:

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You perform an experiment on two plants of the same species to find out what soil affects their growth the most. Both plants are
Nezavi [6.7K]

Answer:

Independent Variable - Soil, Dependent Variable - Height, Control Variable - Sun and Water

Explanation:

First we should define what the variables in the experiment are.

Independent variable is the aspect of the experiment that has a different value for each subject in order to find out how it affects the dependent variables.

Dependent variable is the variable that is kept under observation and recorded by the experimenters in order to track the changes and define its relationship with the other variables/parameters.

Control variable is the variable that is kept constant intentionally by the experimenters to be able to define the relationship between the other variables more clearly and easily.

In the example given in the question, there are one of each variable mentioned above which are, according to the definitions;

  • Independent Variable - The Soil
  • Dependent Variable - The Height Of The Plant
  • Control Variable - The Amount of Water and Sun Exposure

I hope this answer helps.

3 0
3 years ago
Several children seen at a local pediatric clinic are found to have a hemoglobin level of 10-11 g/dl (100-110 g/l). which dietar
Lemur [1.5K]
Answer;
-Ensuring adequate intake of meat, fish, poultry, and legumes 
The dietary modification that is most likely to help increase hemoglobin levels in these clients is by ensuring adequate intake of meat, fish, poultry, and legumes.

Explanation; 
Hemoglobin is the oxygen carrying pigment in the red blood cells. <span>The normal ranges for hemoglobin depend on the age and, beginning in adolescence, the sex of the person. For example in children the Normal range is 11-13 gm/dl. </span>Pediatric<span> anemia may occur when the </span>hemoglobin<span> or hematocrit </span>level<span> lower than the age-</span><span>adjusted reference range for healthy </span>children. 
7 0
3 years ago
What is stimulus? (7th grade life science question)
kenny6666 [7]
It's some change in the conditions around the organism, which the organism can detect and respond to. A change in temperature, more light, or something physically poking the organism are examples.
8 0
3 years ago
I think the property developer should build a ........ because ......
podryga [215]

Answer:

a property  should build a Mcdonalds because not only does it taste good he'll make more money from it. usally  people look for protien in food well a tuna roll only has 24 grams of protein unlike our big mac and double cheeseburger have 25 grams of protein and taste better. not only this but our medium fry has more carbohydrates, we have 43 grams of  carbohydrates  and sushi has none !!! . yes there might be more calories but when ur looking for something close and near that also taste good you should go to mcdonalds

Expnation:

8 0
3 years ago
_____ provide connections between neurons and blood vessels.
Mnenie [13.5K]
It might be an astrocyte, but I'm not sure.
7 0
3 years ago
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