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mylen [45]
3 years ago
7

What are Constant/control variables

Biology
1 answer:
Alik [6]3 years ago
4 0

Answer:

constant = changes and control is used as the basis of comparison

Explanation:

Constant variables are variables that do not change

e.g such as the temperature ( if it's meant to be kept at a constant temp).

Control variables are meant to be kept constant to allow for a comparison and thus determine the effect of IV (independant variable) and DV ( dependant variable)

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Give scenarios then give your interference and predictions.
sdas [7]

Answer:

interference

Explanation:

one of the best example of interference is demonstrated by the light reflected. from a flim of oil floating on water.

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2 years ago
WILL GIVE BRAINLIST.Use the drop-down menus to answer the questions.
Studentka2010 [4]

Answer:

Point A - Intrusive igneous rock

Point B - Extrusive igneous rock

Explanation:

Intrusive igneous rocks are rocks which is formed by molten magma that cools and solidifies below and within the surface of the earth, thereby forming large crystals beneath the earth surface. Examples of Instrusive igneous rocks gabbro, granite, peridotite etc.

Intrusive Ignoeus rock is formed at point A in the diagram given above.

Extrusive Ignoeus rock, on the other hand, is the opposite of Intrusive igneous rock. Extrusive igneous rock is formed when molten rocks, called magma, erupts from beneath the earth and cools and solidifies on the surface of the earth, thereby forming small crystallized rocks. Examples of extrusive igneous rocks are basalt, pumice, etc.

Extrusive Ignoeus rocks would formed at point B in the diagram above.

6 0
3 years ago
Skin and nerve cells have different appearances and characteristics from each other, although they contain the same DNA. Why?
irina [24]

Answer:

They have the same DNA because they are all part of the same organism, but they look and act different because they have different jobs and uses.

Explanation:

3 0
3 years ago
Explain how the substitution affect in the income effect interact with changes in price to change the quantity demanded
kolbaska11 [484]

Answer:

For normal goods, the income effect and the substitution effect both work in the same direction; a decrease in the relative price of the good will increase quantity demanded both because the good is now cheaper than substitute goods, and because the lower price means that consumers have a greater total purchasing power.

Explanation:

6 0
2 years ago
Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any o
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The best answer choice would probably be D Fathers Father
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