D: they have new dna combinations
Answer:
The answer is both molecule and an element
Hydrogen is the chemical element with the symbol H and atomic number 1. ... At standard conditions hydrogen is a gas of diatomic molecules having the formula H2. It is colorless, odorless, non-toxic, and highly combustible.
Explanation:
Speed in km/hr = 15 x 18
------------
5
= 54 km/hr.
Hope this helps!
Method means a particular form or procedure for accomplishment or approaching something, especially a systematic or established one.
Earth isn’t likely going to be running out of gold for around 50-100 years
