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koban [17]
3 years ago
6

Please what are the major branches of biology​

Biology
1 answer:
Neporo4naja [7]3 years ago
5 0

Answer:

Botany, zoology, and microbiology.

Explanation:

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Which best helps scientists determine the age of fossil
Scrat [10]

Explanation:

To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.

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2 years ago
Which is an example of a chemical defense in your skin?
baherus [9]

The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.





3 0
3 years ago
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Some over-the-counter medicines should not be given to very young children. For example, cold medicines contain decongestants an
OverLord2011 [107]

Answer:

The correct answer is "True".

Explanation:

Over-the-counter (OTC) medicines are a type of drugs that are sold directly to the consumer without needing a doctor's prescription. OTC medicines that contain decongestants and antihistamines can raise blood pressure and heart rate, therefore its use for children must be monitored. The FDA reports that children, particularly under the age of 2, could suffer life-threatening side effects from taking these medicines, including: convulsions, rapid heart rates and death.

7 0
3 years ago
"Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA
Dima020 [189]

Answer:

G - 21%

T - 29%

A - 29%

Explanation:

Nucleotide bases in DNA are complementary. Adenosine (A) binds to Thymine (T) while Cytosine (C) binds to Guanine (G). Hence the composition of A in DNA is the same as that of T; and that of C is the same as that of G.

From the information given, C is 21%

Therefore G is also 21% of the genome as  C is bound to G, the therefore are the same proportion.

C and G make up 42% of the genome (that 21% + 21%).

The remaining 58% (100%-42%) is made up of A + T

Similarly the proportion of A is equal to that of T,

Hence A is 29% (half of 58%) and T is 29%.

4 0
3 years ago
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What is the structural relationship between glucose and galactose?.
algol [13]

Answer:

They are both ald.open.toses.

Explanation:

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2 years ago
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