What do these fossilized forests tell scientists?

Biology

1 answer:

lana [24]2 years ago

8 0

Answer:D this part of Arizonan use to be much wetter

I took the test and got it right

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Will butterfly populations continue to rise throughout the world?

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Yes they will google the reason

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Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of

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Answer:

A. It decreases the activation energy needed to start the reaction

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Organic catalyst which speed up the rate of organic chemical reaction is living cells are called enzymes.They have specific reaction site called active sites.This must be in prefect shape with the substrate for the organic chemical reaction to take place

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Hunt and her team designed an experiment to test her hypothesis about the effect of BPA on mice. They administered daily doses o

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Answer and Explanation: The figure below shows the doses of BPA administered to the female mice over time.

An experiment is used to determine cause and effect among variables. When the research is for the impact of a treatment, researchers randomly separate individuals in two groups:

Control Group doesn't receive any treament or a placebo or a treatment whose outcome is already known;
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For the female mice on the image below, in the First Group is not injected any dosage of BPA, so they are the control group, while the others are treatment group.

The variables in a experiment are classified as independents or dependents:

Independent Variable is the cause;
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For the BPA research, since it is the effect of BPA over time on the mice's cells it is being investigated, dosage of BPA is the independent variable and time is the dependent variable.

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