BIOLOGY HIGH SCHOOL

In the mantle heat is transferred as soft rock flows slowly in cycles known as

Answers

Answer 1
Answer:

The correct answer is:

Convection currents

Explanation:

Convection is the heat distinction due to majority conversion of molecules inside liquids such as vapors and liquids, including molten rock. Convection takes place within advection, diffusion or both. Convection courses in the magma drive plate tectonics. Heat produced from the radioactive breakdown of elements wide in the center of the Earth produces magma (molten rock) in the aesthenosphere.
Answer 2
Answer: the answer is convection currents.

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In photosynthesis, water undergoes ______ while carbon dioxide undergoes ________a. oxidation .... reductionb. reduction .... oxidationc. no change ..... oxidationd. none of the above
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The female plant structure consisting of the stigma, style, and ovary is calleda. a stamen.
b. a sepal.
c. a pistil.
d. a carpel.

Answers

i pretty sure its the carpel yeah thats it the carpel
I just learned this a few weeks ago. I believe it's A-stamen or C-pistil. I'm leaning towards A though...hope I helped.

Which equation represents fertilization?

Answers

well two things happen. For seed to be formed, there needs to be functional cell that can grow into a new plant which is created by haploid + haploid, and another group of cells need to be formed which are rich in food and protein, and they are formed by 

7. Why do scientists think that photosynthetic prokaryotes were probably not the first life forms on Earth?

Answers

Microbes were the first inhabitants of Earth. They are single-celled organisms, like bacteria, fungi, and protozoa. Microbes are still found just about everywhere today, thriving in boiling hot thermal springs 
Hope this Helps :D 
because photosynthesis is  Four stage sequence of how life first developed on Earth way in the being of time small organic molecules 

What would happen if there was no condensation stage in the water cycle?

Answers

There would be no way of getting water in a drought, and the population would drop. Hope this helps! 

To study the details of protein molecules on the surface of a cell, a biologist would likely use aA) compound light microscope

B) dissecting microscope

C) Scanning electron microscope

D) transmission electron microscope

Answers

Answer;

C) Scanning electron microscope

Explanation;

-A Scanning Electron Microscope (SEM) is a powerful magnification tool that utilizes focused beams of electrons to obtain information.

-A scanning electron microscope (SEM) scans a focused electron beam over a surface to create an image. The electrons in the beam interact with the sample, producing various signals that can be used to obtain information about the surface topography and composition.

-Advantages of a Scanning Electron Microscope include its wide-array of applications, the detailed three-dimensional and topographical imaging and the versatile information garnered from different detectors.

Answer:

C) Scanning electron microscope

Explanation:

Scanning electron microscope - It uses a focused beam of the electron over a surface to form an image electron that interacts with the atom present in the sample and it produces various signals that are used derive information from the composition and details structure of protein molecule.

What is the SI unit of measure for sound intensity

Answers

It is the Watt per square meter, or W/m2.
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