Answer:
FALSE
Explanation:
In the periodic table, vertical columns are called GROUPS.
This is a FALSE statement
The horizontal rows on the periodic table are called periods.
That looks about right to me
Answer:
Exist in fixed amounts
Cannot be replaced in a short time
Are used faster than they are replaced
Explanation:
Non renewable resources, as the name suggests, cannot be renewed. They are finite resources, meaning they run out. They exist in fixed amounts, which means they are limited. These types of resources can be replaced but it takes a long time. For examples, crude oil. Crude oil is produced by the natural geological occurences but it takes millions to billions of years to be produced. So eventually, we are going to run out of it because people use it up in a significantly lesser time.
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.
