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Grace [21]
2 years ago
14

Why is there so little evidence of the period of heavy bombardment on earth

Biology
2 answers:
dusya [7]2 years ago
6 0

Answer: Its C for apex

Explanation:

GuDViN [60]2 years ago
3 0

Weathering plate movements and volcanoes destroyed many of the craters.

APEX

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Which example best shows that the chemistry of water is helpful to plants?
Dovator [93]

Answer:

water polarity causes cohesion that pulls other water molecules up through a plant.

Explanation:

Water for plants is essential because it constitutes one of the necessary elements so that they can generate their food through the process called photosynthesis.

In effect, plants take the hydrogen from a water molecule and discard the oxygen, providing the atmosphere with this essential gas for life.

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3 years ago
Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forens
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D. Biology. In forensics, they use DNA-related evidence, and DNA relates to biology.
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3 years ago
a plant cell remains unchanged in shape or size when it is kept in a solution. what kind of solution is it
olya-2409 [2.1K]
The solution is isotonic 
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3 years ago
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Review the many ways in which microbes process oxygen by completing each sentence. then, please arrange the sentences in a logic
siniylev [52]

1. With respect to oxygen requirements, an <u>aerobe </u>can use gaseous oxygen and possesses enzymes to process toxic oxygen products.

<h3>What are enzymes?</h3>

Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a component of all life. Enzymes are created by our bodies spontaneously.

2.  Expanding on this classification, an <u>obligate </u>aerobe cannot grow without oxygen.

3. Still other organisms, called<u> facultative anaerobes</u>, metabolize by aerobic respiration but can adapt to anaerobic environments.

A facultative anaerobic organism is one that can switch from aerobic respiration to fermentation in the presence of oxygen to produce ATP.

For more information regarding enzymes, visit:

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4 0
1 year ago
Match the following.
iris [78.8K]
<span>AUTOTROPH 1. an organism that can make its own food

Plants like algae are autotrophs. They produce their own food with the use of light, carbon dioxide, water, and other chemicals that are vital in their food producing activity. Aside from plants, there are autotroph organisms. An example of this is phytoplanktons. 

CALVIN CYCLE 2. the dark reaction process of photosynthesis that uses carbon dioxide for the synthesis of carbohydrates

The Calvin Cycle has three phases. These are 1) carbon fixation, 2) reduction reactions, and 3) RuBP regeneration. 
This cycle occurs in the stroma of the chloroplast and it converts carbon dioxide and other chemical compounds into glucose.

CAROTENOID PIGMENT 3. a pigment ranging in color from yellow to red; helpful in capturing the Sun's light energy for use in photosynthesis

Carotenoid is a plant pigment. It produces yellow, orange, and red colors of many fruits and vegetables. Carotenoid pigment is identified as a class of phytonutrients that benefits human health. People who consumes carotenoid rich fruits and vegetables enjoys the antioxidant property of the food as well as the Vitamin A that some carotenoid convert into. 

CHLOROPHYLL 4. a green pigment in plants that serves to trap the Sun's energy for photosynthesis

Chlorophyll is the combination of two Greek words "chloros" and "phyllon" which means green and leaf respectively. This pigment also contributes to human wellness as consumption of plants rich in chlorophyll are proven to be very healthy. These health benefits are 1) helps fight cancer, 2) improves liver detoxification, 3) speeds up the healing of wounds, 4) improves digestion and helps control weight, and 5) protects skin from skin virus like cold sores.

CHLOROPLAST 5. the tiny body that contains chlorophyll; part of the cell in which photosynthesis takes place

Chloroplast is a type of plastid that can be distinguished from other plastids due to its green color. Chloroplast is the only plastid that contains chlorophylls a and b, thus its green color. 

PHOTOSYNTHESIS 6. a process that involves the use of carbon dioxide and water in the production of glucose and oxygen using the Sun's energy

RADIATION 7. transfer of heat or energy through rays of various wavelengths

</span><span>Radiation is defined as energy travelling through space. Sunshine or sunlight is an example of radiation. Its ultra violet rays radiates heat on the earths' surface which in turn helps our autotrophs undergo photosynthesis.
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3 0
3 years ago
Read 2 more answers
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