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Tcecarenko [31]
3 years ago
13

Choose ONE of these and do them on the history of atoms please <3

Chemistry
1 answer:
julsineya [31]3 years ago
8 0

Answer:

newspaper articles

Explanation:

I am helping

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8. Which of the following have bacteria in their root nodules that fix nitrogen?
Natalka [10]

Answer:

Option A

Explanation:

Leguminous plants like pulses etc. have root nodules comprising of rhizobacterium which live in a symbiotic relationship with the roots of the plant and in turn fix the nitrogen in the soil in the roots of the leguminous plants.

Hence, option A is correct

8 0
3 years ago
In the periodic table, the elements that are adjacent to the "stair step" are called _____. actinide series nonmetals metalloids
yawa3891 [41]

Answer:-

Metalloids

Explanation:-

The stair step line is a line in the periodic table that divides the metals on one side and the non metals on the other side. So the elements which lie on the stair step line must have properties in between those exhibited by the metals and those by the non metals.

Such elements we know are called metalloids. Thus In the periodic table, the elements that are adjacent to the "stair step" are called metalloids.

5 0
3 years ago
Which of these choices is a physical property that does not change when the size of the sample changes? mass,volume,density,comb
Shalnov [3]

Answer:

iweufweifiwbiepwbewibfpebfbiewfbwefwepbfwbefiwe

Explanation:

6 0
2 years ago
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dolphi86 [110]
Could you post another question with a photo? I am sorry...
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