Answer: The percentage of unknown material has grown in scientists estimates since the 1970’s; the percentage of dark matter has shrunk in scientists estimates since the 1980s
Explanation:
Answer:
A star's life cycle is determined by its mass. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.
There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
I think it’s called the passer.
46 Cromosomas
Las células del ser humano tienen 23 pares de cromosomas, 22 pares de autosomas y un par de cromosomas sexuales. Por tanto, cada individuo tiene 46 cromosomas en sus células. Por lo tanto, el número de cromosomas presentes en una célula nerviosa de un ser humano es de 46 cromosomas.