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Lemur [1.5K]
3 years ago
7

What do 8th graders do for science

Biology
2 answers:
d1i1m1o1n [39]3 years ago
8 0
They start to learn about elements and priciples of an element

sineoko [7]3 years ago
6 0
What do you mean "science?" Which? Im in 8th grade taking Biology, Chemistry, and Physics.
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Which muscles are used for shallow breathing and deep breathing. And what difference does it make?
zavuch27 [327]

Answer:

i am not that much of science lover but i there u go

Explanation:

During quiet breathing, the diaphragm and external intercostals must contract. A deep breath, called diaphragmatic breathing, requires the diaphragm to contract. As the diaphragm relaxes, air passively leaves the lungs. A shallow breath, called costal breathing, requires contraction of the intercostal muscles.

i hope it helped

3 0
3 years ago
What are inputs? <br> A: reactants<br> B: products
sweet-ann [11.9K]
The answer is A: reactants
5 0
3 years ago
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Although produced in both males and females, by the mid-teens, estradiol production in females is __________ times greater than
Tpy6a [65]

Answer: Although produced in both males and females, by the mid-teens, estradiol production in females is 8 times greater than it was before puberty, while testosterone production in males is 20 times greater than it was before puberty.

Explanation:

Puberty is the transition phase in which somatic growth and sexual development are completed, with the consequent acquisition of reproductive capacity. Estradiol is the most potent and abundant estrogen, it is secreted by the ovarian follicle granulosa cells and also by the corpus luteum. testosterone is the hormone responsible for the emergence of  secondary sexual characteristics, sperm production and increased  sexual drive, aggression, height growth and physical strength, among  others. There are many differences in body composition between both sexes, and those differences are also present in the hormones concentration. While estradiol is 8 times greater after puberty in females, this number is 20 times greatern in males, when we are talking about testosterone

7 0
3 years ago
A white chicken with black spots is a result of
adell [148]

Answer: A

Explanation:

8 0
3 years ago
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WILL GIVE BRAINLIST.Use the drop-down menus to answer the questions.
Studentka2010 [4]

Answer:

Point A - Intrusive igneous rock

Point B - Extrusive igneous rock

Explanation:

Intrusive igneous rocks are rocks which is formed by molten magma that cools and solidifies below and within the surface of the earth, thereby forming large crystals beneath the earth surface. Examples of Instrusive igneous rocks gabbro, granite, peridotite etc.

Intrusive Ignoeus rock is formed at point A in the diagram given above.

Extrusive Ignoeus rock, on the other hand, is the opposite of Intrusive igneous rock. Extrusive igneous rock is formed when molten rocks, called magma, erupts from beneath the earth and cools and solidifies on the surface of the earth, thereby forming small crystallized rocks. Examples of extrusive igneous rocks are basalt, pumice, etc.

Extrusive Ignoeus rocks would formed at point B in the diagram above.

6 0
3 years ago
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