Answer:
years
Explanation:
Given-
Half life of C years
As we know -
Where
Mass of radioactive carbon after a time period "t"
initial mass of radioactive carbon
radioactive decay constant
time
First we will find the value of "k"
On solving, we get -
Now, when mass of 14C becomes % of the plant material on earth today, then its age would be
years
Is the question multiple choice?
Answer: Agriculture is the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Explanation:
Glycolysis, the first process in cell respiration, produces four ATP, but it uses two of the ATP molecules, therefore producing a net two ATP molecules. The process also has two molecules of NADH.Glycolysis begins with glucose and breaks it down into two molecules of phosphoglyceraldehyde.
hope that helps u, im doing the same thing in school
Energy used since long time ago is a energy production system where the energy is joined with the new resources and alll of that turns into electric energy!<span />