Answer:
All cells share a few features in common, but within a
human there are many types of cells.
Explanation:
Your body has many different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common.
Answer:
A.Mid ocean ridge i think
Explanation:
You can use a universal indicator. The color of the universal indicator before contact with other chemicals is green, which is the pH of 7. We know that bottled water is pH 7. So when we put a few drops of universal indicator, the color would be green indicating neutral pH.
Hi mate. I think the answer is 100
The metal compound in period 3 is a group 1 metal - Na.
the compound is Na2O, the base annyhdride of NaOH :)