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sineoko [7]
3 years ago
12

What is the ozone layer

Biology
1 answer:
mestny [16]3 years ago
5 0

Answer:

A portion of the Earth's atmosphere that protects the Earth from radiation

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PBR322, where pBR stands for ................​
____ [38]

Answer:

Hello There!!

Explanation:

Here is your answer:-

The p stands for plasmid,BR for Bolivar and Rodriguez.

hope this helps,have a great day!!

~Pinky~

3 0
2 years ago
Which of the following are outcomes of refrigeration?
valkas [14]

Answer:

I'm pretty sure it's a. With refrigeration you do have more food variety, the food lasts longer so less waste.

4 0
2 years ago
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Which of these sentences is true about the virus?
Svetllana [295]
The sentence which is true or a fact about the virus is the sentence in letter B. Viruses can reproduce only within other cells. <span>Viruses are intracellular obligate parasites they can not replicate or express the genes with out living host. </span>
<span>viruses are acellular so they have to rely on host cellular machinery for reproduction. </span>
<span>viruses doesnot contain any enzymes for reproduction</span>
3 0
3 years ago
What would you observe if you decolorized your slide too much? how would your cells appear?
iren2701 [21]
<span>It would depend on the method of decolorization. The most common one is by using Acetone-alcohol. When your slide are decolorized too much with Acetone-alcohol, cells will appear to be pink since the crystal violet are washed out.</span>
8 0
3 years ago
What does a scientist observe in a chemical's reaction rate? the speed at which the reactants change to products over a given ti
kvasek [131]

Answer:

The speed at which the reactants change to products over a given time.

Explanation:

A chemical's <u>reaction rate</u><u> is the change in the concentration of a reactant or a product with time (in moles per second)</u>.

Remember that during a chemical reaction, reactants are converted to products. Or what is the same, products are formed at the expense of reactants. This can be represented:

reactants → products

Therefore,<u> the progress of a reaction can be followed measuring the decrease in concentration of the reactants or the increase in concentration of the products.</u>

According to the temperature and other parameters, the reaction rate can increase or decrease.

8 0
2 years ago
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