BIOLOGY MIDDLE SCHOOL

1.A.)The sun's energy causes air molecules to move rapidly: temperatures are __________ and it feels _____________.B.)When less of the sun's energy reaches air molecules, they move less rapidly and it feels_____________.
2.Wind- air moving in a______.
A.)As the sun heats air, it expands, becomes less________, rises, and has_______ atmospheric pressure.
B.)Cooler air is________and sinks, causing__________atmospheric pressure.
C.) Air moves from____________pressure areas to_______________pressure areas, causing wind

Answers

Answer 1
Answer: Sun's energy

causes air molecules to move rapidly; temperatures are high and it feels warm

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oc
Od
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Answers

Answer:

Better spreading of reproductive cell is not a benefit of bioflims for bacteria.

Option: (d)

Explanation:

  • Bioflims can allow for adhesion of colonies, that can attach surface such  as rock, tooth and it includes single or group of micro organism.
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Answers

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Answer:

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Explanation:

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Answers

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The original remains of ancient animals such as saber-toothed cats have been perserved in _____.

Answers

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Which of the following best explains why oceanic crust is subducted beneath continental crust?A. Oceanic crust is primarily sedimentary rock, which is softer than continental crust and is easily subducted.
B. Oceanic crust is denser than continental crust, causing oceanic crust to sink down below continental crust.
C. Continental crust is denser than oceanic crust, causing oceanic crust to be deflected down into Earth's mantle.
D. Continental crust is made of harder metamorphic and sedimentary rocks, which causes oceanic crust to break when the two types of crust collide.

Answers

Answer: -

b. Oceanic crust is denser than continental crust, causing oceanic crust to sink down below continental crust.

Explanation:-  

Oceanic crust is denser than the continental crust as it has iron, basalt, magnesium. On the other hand continental crust consists of granite and aluminium. The rocks that have oceanic crust are thus denser than the rocks that have continental crust. Continental crust is considerable thicker.

Due to the difference in the density when oceanic crust and continental crust meet at the subduction zones, the oceanic crust is sub ducted back into the mantle. Continental crust is the oldest part and underlies beneath the continent.

A layer of sedimentary and metamorphic rocks too form on the tops of the continental crust.On the basis of the above explanation, Oceanic crust is denser than continental crust, causing oceanic crust to sink down below continental crust is the correct option.

The answer is B my Friend
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