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Sauron [17]
3 years ago
7

What are root hairs responsible for?

Biology
1 answer:
astraxan [27]3 years ago
4 0
To collect the water and mineral nutrients.
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Which of these is an example of a chemical change?
lawyer [7]

The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

Frying an egg : It is a chemical change because a new substance is form by heating.

Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.

Boiling alcohol : It is physical change because only changes in the state.

Melting and ice : It is a physical change because only changes in the state.

Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

4 0
3 years ago
Read 2 more answers
Why should sources of scientific information be credible accurate and relevant?
lina2011 [118]
Because it needs to be able to be proven and it avoids being incorrect.
6 0
3 years ago
The protein coat that surrounds the genetic material of the T2 phage is termed the:______
tiny-mole [99]

Answer:

Th correct answer is A. Capsid

Explanation:

T-2 phage is a bacteriophage which is virulent to E.coli which means T2 phage infects E.coli. The genetic material of T2 phage is linear DNA which is double-stranded. The genetic material of T2 phage is enclosed in a protein coat which is called capsid.

This capsid protects the genetic material of bacteriophage by any enzymatic digestion, helps the virus to attach the host cell and helps the virion to penetrate the cell membrane of the host cell and inject its genetic material in the host cell. Therefore capsid is the correct answer.

5 0
3 years ago
Why would fossils found at the top of a canyon probably be younger than those found at the bottom of the canyon?
FinnZ [79.3K]

Answer:

The farther up they go, the more recent the layers were created

Explanation:

7 0
3 years ago
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What is the plasma membrane made up of?
Whitepunk [10]
The plasma membrane is composed of the phospholipid bilayer. The phosphilipids have one head and two tails. The head is polar (hydrophilic) as the tail is non-polar (hydrophobic).
6 0
3 years ago
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