Control Group: Group that is being controlled .This group doesn´t receive the treatment from the researchers
Experimental Group:Group that is being Experimented and that receives the testing
Dr. Alexander Winemann is a Biologist who specializes in organic chemistry.
D
This is because of greenhouse gases and polution.
Answer:
- (b)
- (c)
- (a)
- (b)
- (d)
- (d)
Explanation:
1.
I saw the similarity that there are 7 periods in a periodic table and 7 days in a week.
2.
The periodic table tells us both the symbol and atomic number of the elements.
3.
days as there are 7days in a week.
4.
vertical columns are called groups.
5.
seeing the periodic table we can locate it postion that is group 16 period 2.
CONCLUSION :-
1. all the given points tell the properties of periodic table.
