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gulaghasi [49]
3 years ago
7

Why do scientists believe the polar ice is disappearing?

Biology
1 answer:
Allisa [31]3 years ago
8 0
Polar ice is disappearing because of global warming
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3 years ago
Which two (2) statements are correct examples of the “structure determines function” relationship among specialized cells in an
Nady [450]

Answer:

A and E are the correct.

Explanation:

Examples of the structures that determine function:

a) <u>Chloroplasts </u>only found in plant cells. They work to fix the CO2 in the presence of <u>light energy</u> (sunlight) and convert the reactants into <u>sugar molecules (carbohydrates</u>) that can be used by cells for metabolic functioning.

e) <u>Sperm</u> is the male reproductive cell. Motile sperm cells have a tail-like structure that typically <u>move via flagella</u> and requires a water medium in order to swim toward the egg <u>for fertilization</u>.

Other options are not correct because <u>they don't explain their function according to their structure</u>.

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Economic impact of aflatoxin on health and agriculture
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Answer : contamination in crops results mainly from a reduction in marketable volume

Aflatoxin consumed contributes to the mutagenic , carcinogenic , teratogenic , and immunosuppressive health effects in humans.

4 0
2 years ago
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Why is it necessary for the pancreas to secrete a high ph (basic) solution into the small intestine?
storchak [24]
It is necessary for the pancreas to secrete a high pH solution into the intestine in order to neutralize the acidity of the processed food particles [chyme] that are passed into the intestine and to provide a suitable pH for the enzymes in the intestines that will act on the processed food particles. 
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The map below shows the range of three types of grasslands in the United States. Some grasses of the tallgrass prairie grow to 6
muminat

More rainfall leads to the growth of the grass in a tallgrass prairie to grow so tall.

Answer: Option B.

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The tallgrass prairie consists of big and little blue stem, switchgrass, and Indian grass. These were the species which thrive in the area which receive rainfall in large amount. The rainfall in these areas are in the amount of 30-40 inch annual precipitation.

Because these areas receive rainfall in such high amount, the grasses grow very tall. The height of these grasses reach to approximately 6-8 feet in height.

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