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VLD [36.1K]
3 years ago
12

1.the picture above shows a number of plant cells in various stages of the cell cycle the circled cell is undergoing what stage?

Biology
1 answer:
max2010maxim [7]3 years ago
5 0

Answer:

d

Explanation:

cff

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Explain the difference between fire resistance and flame spread. describe the hazards firefighters should be aware of during the
Kaylis [27]

Fire resistance is where the amount of time that material has withstood a standard fire exposure whereas flame spread is the speed at which a flame spread along the surface of a specific material and is considered as the difference between fire resistance and flame spread.

Fire resistance is the resistance to fire that is for a particular specified time and is under circumstances of standard heat intensity. It will not structurally fail or else allow the transition of heat and also not permit the side away from the fire so as to become hotter than a temperature that is specified well.

Flame spread is described as the surface burning characteristics enhanced by building materials. It is the most tested property of the fire performance of a material.

Firefighters should be aware of the growth and spread of a fire as they face respiratory hazards in emergency situations which include oxygen deficiency,  temperature elevation, smoke as well as toxic atmospheres. This can also affect both the physical and mental effects of the firefighter and would be worse if proper respirator precautions are not followed.

This indicates that firefighters are regularly exposed to certain concentrations of hazardous materials that include carcinogenic products such as carbon monoxide, benzene, sulphur dioxide, hydrogen cyanide, aldehydes as well as particulates.

Learn to know more about fire resistance at

brainly.com/question/11471513

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4 0
1 year ago
After glycolysis occurs, an anaerobic process can take place in the cytoplasm of the cell. what is the major product of this rea
schepotkina [342]
I think it is NAD, this ensures that the NAD can go back to glycolysis where it can again be reduced and go back through anaerobic respiration. 
7 0
3 years ago
What is the difference between an element and a compound?
Marina86 [1]

Answer:

Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.

Explanation:

Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.

3 0
3 years ago
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Suppose a segment of mitochondrial DNA (mtDNA) is compared between two similar modern-day species. It is known that this segment
QveST [7]

Answer:

24 million years

Explanation:

A: GCACTAAGCATCGATTT

B: GCACCAGGCACTGGTTC

There are 6 base pair changes between species A and species B. Since we know the rate of change is 1 base pair every 4 million years, we know 6x 4 million is likely how long ago the species diverged. 6x 4 million = 24 million years

7 0
3 years ago
Choose all that apply. Atoms__. A. Normally have no change B. Are made of ions and electrons C. Are the smallest unit of matter
Kipish [7]

Choose all that apply.

Atoms__.

V A. Normally have no change

B. Are made of ions and electrons

C. Are the smallest unit of matter

V D. Are made of electrons protons and neutrons

6 0
3 years ago
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