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marysya [2.9K]
3 years ago
7

When the diaphragm contracts, the size of the thoracic cavity ________, the pressure inside the thoracic cavity ________, and ai

r flows ________ the lungs.
Biology
1 answer:
dexar [7]3 years ago
8 0

Answer:

increases, drops, into

Explanation:

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MN
Elodia [21]

Answer:

O silicon (Si)

Explanation:

-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.

4 0
3 years ago
A 0.15-kilogram baseball moving at 20 meters per
AleksAgata [21]

Answer:

300N

Explanation:

Impulse= Mass * Velocity

F.T = M * V

F= MV/T

F= (0.15*20)/ 0.01

F= 300N

4 0
3 years ago
what is described as a possible explanation or answer to a specific question that is based upon prior knowledge
torisob [31]

Answer:

Hypothesis

Explanation:

6 0
3 years ago
Who is the first discovered plants were made of cells?​
Alex17521 [72]

Answer: PLEASE MARK ME AS BRAINLIST

Explanation:

The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.

the German botanist Schleiden proposed that all plants are made up of plant cells. Thank you.

6 0
3 years ago
Read 2 more answers
1. How is reproduction similar between humans and flatworms?
V125BC [204]

1.Fertilization occurs when sperm fuses with egg.

2.Bacteria

Just took the test and they were both correct.

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