Answer:
it should be B. earths core is composed of iron and nickel, if not let me know.
Carbon is stored in the ocean
Answer: (C) Statements (i) and (iii)
Explanation: According to byjus.com, group VII elements are known as Halogens.
Not only that, but bbc.co.uk says " Atoms of group 7 elements all have seven electrons in their outer shell. This means that the halogens all have similar chemical reactions ."
It may just be (b) though as these are chemical reactions.
Answer:
Umm what do i do to help you??
I think that's called "Trajectory"
