They analyze the sequence of bases in the DNA to determine who committed a crime.
C.Xylem
Xylem is where the nutrients and water gets transported upward
Answer:
sorr i practicing spanish
Explanation:
Todas las partes del cuerpo (músculos, cerebro, corazón e hígado) necesitan energía para funcionar.
The mass number is the sum of the number of protons and number of neutrons the atom has.
So, we can write the equation as:
x + 20 = 40
x = 20 neutrons.
