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Annette [7]
2 years ago
7

After Hunter drank a glass of milk, sugar levels in his blood increased. This stimulated the hormone insulin to be released. Ins

ulin helped the sugar move from his blood into cells, so his blood sugar levels decreased.
Which statement explains what happened next?

Positive feedback caused his pancreas to stop secreting insulin.
Negative feedback caused his pancreas to stop secreting insulin.
Negative feedback caused his pancreas to produce more insulin.
Positive feedback caused his pancreas to produce more insulin.
Chemistry
2 answers:
lesya692 [45]2 years ago
6 0
Negative feedback caused his pancreas to stop secreting insulin.
noname [10]2 years ago
4 0

Answer:

Negative feedback caused his pancreas to stop secreting insulin.

Explanation:

i took the test its correct

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Who developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures?.
victus00 [196]

Answer:

John Dalton

Explanation:

John Dalton developed the concept tittle: Dalton Law of Partial Pressure.

The formula is: Pt = Pa + Pb + Pc...... Pn

3 0
2 years ago
How does evaporation lead to precipitation​
Serhud [2]

Answer:

1.evaperation

2.condenstation

3.precipatation

Explanation:

So I guess condenstation leads to precipatation-

5 0
3 years ago
Read 2 more answers
Of the first 103 elements, how many have just ine letter in their symbol​
malfutka [58]

Answer:

14 elements.

Explanation:

B

boron

C

carbon

F

fluorine

H

hydrogen

I

iodine

N

nitrogen

O

oxygen

P

phosphorus

K

potassium

S

sulfur

W

tungsten

U

uranium

V

vanadium

Y

yttrium

4 0
3 years ago
In a Lewis structure, why must pairs of unshared of lone pairs if dots be placed around the outside of some of the atoms
Maksim231197 [3]

Answer:

In a Lewis symbol, the symbol for the element is used to represent the atom and its core electrons. Dots placed around the atom are used to indicate the valence electrons. ... In 1916, Gilbert Newton Lewis, an American chemist, suggested that molecules were formed when atoms shared pairs of outer electrons.

Explanation:

6 0
3 years ago
The number of positive changes in the nucleus of an atom is equal to
raketka [301]

Answer:

The number of positive charges in nucleus of an atoms are equal to the atomic number and also positive charges are equal to the negative charges which are electrons in neutral atom.

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

Electron:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e⁻

Mass= 9.10938356×10⁻³¹ Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

Neutron and proton:

Neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P⁺

Symbol of neutron= n⁰

Mass of proton=1.672623×10⁻²⁷ Kg

Mass of neutron=1.674929×10⁻²⁷ Kg

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

For example

The carbon have six protons and six neutrons so its atomic mass is 12 amu and atomic number is six.

8 0
3 years ago
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