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Art [367]
3 years ago
5

Who made polio vaccine

Chemistry
2 answers:
borishaifa [10]3 years ago
8 0
The polio vaccination was created by a polish-American named Albert Sabin. But the vaccine was discovered by Jonas Salk.
yulyashka [42]3 years ago
5 0
The creator of the Polio Vaccine was Jonas Salk.
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How are nutrients returned to soil?
Zarrin [17]
Nutrients can come back to soil through animals, plants, and even water. When animals die or produce waste, the nutrients returns to the soil and degrades with time. When a plant dies or a fruit from a tree falls to the ground, once the object disintegrates with time, nutrients is returned. Water can also bring things to the soil when it rains.
4 0
3 years ago
Read 2 more answers
How is it possible that heat is transferring from the water in the tank to the water in the bag, even though the water in the ta
elixir [45]

Answer:

animals unlike us adapt faster to heat/cool weather or water

Explanation: Let's use fish as an example because that's the main water pet, so when you get a new fish and you have to put it in the water for about let's say 15 minutes. It's so it can adapt to the water. Water for us needs to be hot enough for us to actually feel the heat so therefore animals can adapt not only faster to heat but to cool air/water a lot faster than we can. I don't know if this helps or makes sense but it's what I know and have seen :P

3 0
3 years ago
What things can the atomic radiation help us with
Triss [41]
Chemotherapy is when radiation is used to kill cancer cells while sparing healthy tissue cells, also doctors sometimes inject patients with a nuclear tracer to show problematic areas that need to be checked out, and Nuclear power plants use nuclear energy to create a large amount of energy from just a small amount of Uranium. These are just some of the ways nuclear radiation is used to help us.
6 0
3 years ago
There are two different compounds of sulfur and fluorine.
weqwewe [10]
Atomic mass of F: 19.0 g/mol

Atomic mass of S: 32.1 g/mol

1.18 g F = [1.18 g / 19.0 g / mol] = 0.062  mol F

1 g S =  1 g/ 32.1 g/mol = 0.031  mol S

Divide by 0.031

0.062 mol F / 0.031 = 2  mol F

0.031 mol S / 0.031 = 1 mol S

SF2 Then X = 2

Verification:
F2 = 2*19.0 g = 38 g F
S = 32.1 g

36 gF / 32.1 g S = 1.18 g F / g S



7 0
3 years ago
If there are many forces acting on an object how can the net force be 0
zysi [14]
You have to balance out those forces and apply the same amount of equal and opposite force to it. I hope I helped ^^
4 0
3 years ago
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