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3 years ago

If a moving object changes its direction, what else must change?

Biology

2 answers:

andrezito [222]3 years ago

4 0

b is the correct answer. hope this helps

balu736 [363]3 years ago

4 0

Answer:

it is not B

Explanation:

JUST TOOK THE TEST YOUR WRONG IT IS NOT B

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Why do rats have three lobes of liver and humans only have one?

HACTEHA [7]

Answer:

Although the rat liver is typically lobated2 and its ap- pearance does not resemble that of the human liver, the hepatic lobes of the rat liver have been found to be equivalent to the sectors of the human liver. As rats and humans belong to the class Mammalia, similar em- bryological development is expected.

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3 years ago

The principle of Separation of Powers states which of the following?

oksian1 [2.3K]

Answer:

A): The government should be divided into parts with separate and independent responsibilities and powers.

Explanation:

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3 years ago

Read 2 more answers

98. All of the following are true of water EXCEPT A) neighboring molecules are held together by hydrogen bonds. B) it is less de

Anon25 [30]

Answer:

C) it is a polarized molecule, where the oxygen is slightly positive and the hydrogens are slightly negative.

Explanation:

The water molecule is polarized, but the oxygen atom is slightly negative and the hydrogens are slightly positive.

Electronegativity is a property that measures how much an atom will tend to attract electrons towards itself. Because electrons are negatively charged, the more electronegative an atom is, the more negative its partial charge will be.

Oxygen is much more electronegative than hydrogen, and thus it will attract the electrons in the molecule, keeping them away from the hydrogens.

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3 years ago

Antimicrobial susceptibility testing was performed to screen a novel compound. The MIC was found to be 10ng/mL. Use the followin

Alinara [238K]

Answer:

a) Percent recovery

100%, 70.58%, 4.11%, 1.29% , 0%

b) MBC = 160 ng mL

c) Static

Explanation:

A) Calculate the percent recovery for each group

i) for 0ng mL

( 3.4*10^5 / 3.4*10^5 ) * 100 = 100%

ii) for 10ng mL

( (2.4 * 10^5) / (3.4 * 10^5) ) * 100 = 70.58%

iii) for 20ng mL

( ( 6.4 * 10^5 ) / ( 3.4 * 10^5 ) ) * 100 = Nil

iv) for 40 ng mL

( ( 1.4 * 10^4 ) / ( 3.4 * 10^5 ) ) * 100 = 4.11 %

v) for 80 ng mL

( ( 4.4 * 10^3 ) / ( 3.4 * 10^5 ) ) * 100 = 1.29%

vi) for 160 n mL

percentage recovery = 0%

B) what is the MBC

The value of MBC = 160 n mL because at this concentration CFU/mL = 0

c) determine if the antimicrobial tested is static or cidal

condition : If, the ratio of MBC : MIC is ≤4 then novel compound is Cidal

MBC / MIC = 160ng / 10ng = 16 : 1

hence we can conclude that the antimicrobial tested is STATIC

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3 years ago

Which of the following best describes why deforestation increases the risk of floods in an area? A)trees catch leaves and retain

tekilochka [14]

D. Tree roots improve soil water retention

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3 years ago