Answer:
My dad just recently turned 42, wbu?
Explanation:
Jonas Salk and Albert Sabin in 1950s developed. separate vaccines. one from killed viruses. and other from live viruses to combat the dreaded disease polio. Salk became a national hero when he allayed the fear of polio with his vaccine, approved in 1955
Answer: C) The event at the end of the Triassic Resulted in the extinction of fewer fauna’s then in any other period
Explanation:
Looking at the graph, the event at the end of the Triassic resulted in the smallest dip in the amount of fauna in the graph. This means that this event resulted in the extinction of fewer faunas than any of the other five major events.
Option A is wrong as the event at the end of the Devonian decreased the number of Cambrian fauna.
Option B is wrong as the event at the end of the Cretaceous resulted in a decrease in the Paleozoic fauna.
Option D is wrong because the event that resulted in the Extinction of more fauna’s then in any other period was the event at the end of the Permian.
Answer: they break down the food and minerals
Explanation:
Answer:
The plants in the light formed bubbles because they released oxygen gas.