The answer is; B
Rocks have naturally occurring and spontaneously radioactive atoms in them, such as carbon-14. These element isotopes decay into other types of atoms over millions of years. Therefore, by measuring the amount of these radiometric substances, and knowing the half-life of the isotopes, it is possible to postulate the age of a rock to within certain ranges of error.
Answer:
I think its Aa
Explanation:
Not very good at biology :/
Answer:
आप क्या कह रहे हैं भाई मुझे समझ में नहीं आया क्या यह सवाल है
Answer:
C. A protein
Explanation:
The outcome of protein synthesis is <u>a protein.</u>
The answer is d) organic chemistry
