Answer:
A is the correct ans in my view
Answer:
an
Explanation:
The word idea starts with a vowel and the adjective needed shouldn't also end with a vowel. And in this case, you can't use a because it's a vowel. So, you use an.
Answer:
Nucleus
Explanation:
The nucleus (or center) of an atom is made up of protons and neutrons.
Answer:
I think the correct choice is the first one
Explanation:
Answer:
what do you need help with :)
Explanation:
I'll help you, but I need more information