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Setler79 [48]
3 years ago
6

HELP ASAP WITH THESE TWO QUESTIONS !!

Biology
1 answer:
-Dominant- [34]3 years ago
6 0
Can you give me brainlyist if I awnser it plz
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What is true about elements and compounds? A. Elements contain two or more compounds. B. Compounds contain two or more elements.
spin [16.1K]

Answer: B) Compounds contain two or more elements

Explanation:

5 0
3 years ago
How does a developing fetus change in the third trimester?
lutik1710 [3]

Answer:

hope it helps..

Explanation:

During the third trimester, the fetus continues to grow in size and weight. The lungs are still maturing. The fetus starts to position itself head-down. By the end of the third trimester, the fetus is about 19 to 21 inches long and weighs about 6 to 9 pounds.

7 0
3 years ago
The domestic cat genome contains 2.9×109 base pairs. The length of linker DNA in mammals is 50 base pairs. Approximately how man
IgorLugansk [536]

Answer:

Number of nucleosomes in 2.9 * 10^9bp is equal to 1.47 * 10^7

Explanation:

For wounding one nucleosome, total length of DNA required is equal to 146 bp

The length of  linker DNA in mammals is equal to 50 bp

Thus , the total length of DNA that confides between two nucleosome is equal to the sum of wounding length of DNA and the linker length

= 146 + 50\\= 196bp

Thus, in 196bp length of DNA, the total number of nucleosomes is equal to 1

Thus, number of nucleosomes in 2.9 * 10^9bp is equal to

\frac{2.9* 10^9}{196} \\1.47 * 10^7

8 0
3 years ago
balance the following chemical equation making sure to apply the principle of the law of conservation of mass​
Sedaia [141]

Answer:

2Zn+ 4HCl=2ZnCl2 +2H2

CH4+2O2=CO2+2H2O

Fe + 3NaBr=FeBr3+3Na

8 0
3 years ago
With respect to sensory changes in middle age, people commonly experience a(n) _______.
Alex787 [66]

The correct answer is A. Decline in vision

Explanation:

The term "middle age" is used to describe the time span between 45 and around 65 in human life. During this, important changes occur in terms of senses, this age usually implies a decline in senses including pain, taste, smell, and vision. In terms of vision, it is common during middle ages people began experiencing blurring vision or weakened vision as during this age conditions such as presbyopia, glaucoma, cataracts, among others. Additionally, the decline in vision in this age is commonly related to other conditions such as diabetes, the use of medicines and also jobs that are visually demanding. Thus, in middle age, people commonly experience a decline in vision.

6 0
3 years ago
Read 2 more answers
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