Answer:
a weightlifter lifts a 20 kilogram barbell above his head
Answer:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Answer:
AATGG
Explanation:
bcz A is in pair with T and C is in pair with G.