C is the answer hope this helps
Answer:
To find time, use this: t = d/s ( time = distance ÷ speed)
I picture is unclear but
I can help if u send me it
An extinction event is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp change in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases with respect to the rate of speciation. -Wikipedia
