Answer: A
Explanation:
Fun fact, Clones dont have any genetic variation
Answer: 14.14 billion years (which is close to the age of the universe)
Explanation:half life (t1/2) U-235 = 703.8*10^6
original amountN0 at time t Nt = NO/4
t= (t1/2)*(ln(Nt/N0)/-ln2
= (703.8*10^6)*(ln0.25)/-ln2
= (703.8*10^6)*(-1.386)/-0.69
= 14.14*10^9 years
Answer:
through a process called chemosythesis which is the process in which autotrophs use chemical energy to produce carbohydrates.
A. Carbon. Is found in all organic compounds.
Atmospheric deposition is the process, long recognized by scientists, where by precipitation, particles, aerosols, and gases move from the atmosphere to Earth's surface.