C) No ; histogram. each year will have a bar and each bar will be different
I believe the answer is all of the above
Answer: The formation of elements heavier than iron and nickel requires the input of energy. Supernova explosions result when the cores of massive stars have exhausted their fuel supplies and burned everything into iron and nickel. The nuclei with mass heavier than nickel are thought to be formed during these explosions.
Explanation:
Answer:
5km/hr
Explanation:
man's speed + current = 15km/hr
current speed =2.5km/hr
therefore man's speed = 15 - 2.5
=12.5
man's speed against current=12.5/2.5
=5km/hr