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natta225 [31]
3 years ago
5

What specifically do vaccines contain which cause your body to become

Chemistry
2 answers:
Xelga [282]3 years ago
7 0

Answer:

I'm not entirely sure, but I've heard that vaccines contain very weak amounts of the virus in order to expose your body to it, so that your body can become immune to it before being exposed to the real thing.

So basically, a flu shot contains a weak version of influenza.

I don't know this for sure, but hopefully this helps!

olga_2 [115]3 years ago
6 0
Certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.
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Which answer accurately describes the difference between speed and velocity? Question 8 options: Speed is the result of a change
abruzzese [7]

Your answer would be

Speed requires distance. Velocity requires direction

I hope this helps!

7 0
3 years ago
What causes the reaction between baking soda and vinegar?
Wewaii [24]
Baking soda is a bicarbonate, which means that each molecule of baking soda
contains a sodium atom, a H atom, an O2 atom, and a CO2 molecule.

Vinegar contains acetic acid, and each molecule contains a H atom, and an acetate ion.

When they're combined, the hydrogen atom in the acetic acid meets up with the H and O2 atoms in the baking soda to form a molecule of water, while the acetate ion grabs onto the sodium atom and forms a salt, sodium, acetate. The CO2 molecule, free of its other chemical bonds, can now escape, and bubbles form as a gas.
6 0
3 years ago
Ted likes to run long distances. He can run 20 km 20 km20, start text, space, k, m, end text in 95 9595 minutes. He wants to kno
balu736 [363]

Answer:

The distance in kilometer that Ted will go if he runs at the same pace for 285 minutes is 60km

Step-by-step explanation:

It was given that Ted Ted runs 20 km in 95 minutes, so for us to know how many kilometers he runs at the same pace for 285 minutes by using proportion.

For Ted to run 20 km in 95 minutes.

Speed=Distance/Time

where given distance= 20km

Given time =95minutes

Speed=20/95 .............eqn(1)

To calculate the distance in kilometers Ted will go if he runs at the same pace for 285 minutes, then

Speed= K/225 ...............eqn(2)

Let us represent distance with 'K'

Given time 225minutes

Equating eqn(1) and eqn(2)

Hence the proportion model that Ted could use in modelling this situation is this;

20/95=K/225

Cross multiply

K×95=20×225

K=60

The distance in kilometer that Ted will go if

he runs at the same pace for 285 minutes is 60km

3 0
4 years ago
What is the densest layer of Earth
Vladimir [108]
The mantle layer is more dense closest to the core.
5 0
3 years ago
Read 2 more answers
For this heterogeneous system 2 A ( aq ) + 3 B ( g ) + C ( l ) − ⇀ ↽ − 2 D ( s ) + 3 E ( g ) 2A(aq)+3B(g)+C(l)↽−−⇀2D(s)+3E(g) th
Archy [21]

Answer:

K = 1.08 X 10¹²

Explanation:

The solved solution is in the attach document

4 0
3 years ago
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