BIOLOGY HIGH SCHOOL

F a material has a hardness of 8, it cannot be scratched by a material with a hardness of 7. True false

Answers

Answer 1
Answer: True.

Same concept as nothing can scratch a diamond (hardness of 10) but a diamond can scratch anything.

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The small intestine can work without the blank because that couldn't be broken down

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it can't work without the liver because that is what breaks down the food 

How does a diaphragm prevent pregnancy Select one of the options below as your answer:a. It releases spermicide into the uterus to keep sperm from fertilizing eggs.
b. It produces hormones that keep a woman's ovaries from releasing eggs.
c. It covers the penis to keep it from releasing sperm into the vagina.
d. It blocks the cervix in order to keep sperm from entering the uterus

Answers

Answer: D) It blocks the cervix in order to keep sperm from entering the uterus

A diaphragm is a form of birth control which is a cup shaped in structure and is made up of  soft silicone, it is bent and inserted into vagina to cover cervix.

It act as a barrier that covers cervix and try to stop sperm from joining the egg in order to prevent fertilization.

The ansewr is D because it blocks the cervix in order to keep sperm from entering the uterus

The rate and direction of reactions are greatly influenced by the _____.

Answers

Answer:

The law of mass action and molecular concentration

Explanation:

Law of mass action: According to this law, the rate of chemical reaction is directly proportional to the masses of the reacting substance, at a constant temperature.

Molecular concentration: It is no of moles of solute dissolved in a liter of solution. No of molecules of reactants increases when we increase the molecular concentration of the reactant, which in turn increases the frequency of collision and hence the rate of reaction and direction.
The rate and direction of reactions are greatly influenced by the Law of Mass action or molecular concentration because they relate to the same principle 

The function of fovea centralis?

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The focea centralis functions to promote daytime vision, being the site of concentrated photoreceptors called cone cells.

What does torso mean in a frog

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Main part of the frog

As water vapor rises in the air. What i likely to cause?

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As water vapor rises in the atmosphere, it cools and changes into liquid cloud droplets in a process called condensation
The process of water turning to vapor and goes in the air is called evaporation. When the water vapor is in the air, it will probably turn into clouds.
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"Talking Wrong" is an essay about author Patricia Smith's mother's move from Alabama to Chicago and her attempt to speak standard English when she gets there. Based on the following excerpt, Smith hears her mother's original, customary language. How did she feel?When my mama talks, the sound is flat and broad and wild with unexpected flowers, like fields in Alabama. a.) exhilarated b.) ashamed c.) complacent d.) comforted