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Nana76 [90]
2 years ago
9

WORLD POPULATION GROWTH

Biology
1 answer:
Darina [25.2K]2 years ago
4 0

Answer:

the birth rate on Earth is higher than the death rate

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The newborn's brain is about 25 percent of its adult weight by birth; by the second birthday, the brain is about ________ percen
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<span>50 percent. Newborn has very low listening ability and learning as brain develops the child will learn new things and his brain starts to grow big .Brain will adapt the language,color ,light,people faces and then child will learn fast</span>
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1. How many different phenotypes are possible in the offspring of two parents with genotypes AA and aa, where A is the dominant
Stolb23 [73]
For question number 1, there is one phenotype only with homozygous allele which are recessive and dominant of both parents. For question number 2, the answer is letter B. plants with both red and blue flowers because it is codominant so the trait will express both alleles. For question number 3, the answer is letter C. four genetically identical cells because it is from two daughter cells which undergo meiosis that results into 4 identical cells that are needed for somatic cells in our body. For question number 4, the answer is the leading strand is copied in the 5’ to 3’ direction and the lagging strand is copied in the 3’ to 5 because it is based in the ends of each nucleotides that is carrying the genes. For question number 5, the answer is gene regulation which is used by cells to increase of decrease specific gene products or RNA.
4 0
3 years ago
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Over the past 150 years, how has fossil fuel consumption affected the carbon dioxide concentrations in the atmosphere?
Delvig [45]

Answer:

Increased fossil fuel use has increased atmospheric carbon dioxide.

Explanation:

Burning fossil fuels increases the amount of CO₂ in air, which is unhealthy.

4 0
2 years ago
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I THINK ITS "C"
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7 0
3 years ago
The ratio of estrogen to progesterone remains constant throughout pregnancy into labor. false/true
Lady_Fox [76]

False,

In order to start labor, estrogen increases and progesterone decreases.

Estrogens are a class of hormones that are essential for women's healthy sexual and reproductive development. They are sex hormones as well. The majority of estrogen hormones are produced by a woman's ovaries, however minor quantities are also produced in modest amounts by the adrenal glands and fat cells.

Progesterone is a member of the progestin drug class (female hormones). By lowering the level of estrogen in the uterus, it functions as a component of hormone replacement treatment. By substituting for the natural progesterone that some women lack, it helps to initiate menstruation.

To know more about pregnancy, click on the below link,

brainly.com/question/14353919

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