allan14huerta
allan14huerta allan14huerta
  • 11-04-2018
  • Biology
contestada

why do scientists think mass extinctions occurred?

Respuesta :

TylerBerk
TylerBerk TylerBerk
  • 11-04-2018
Because they find skeleton of animals of a certain species that died roughly around the same time and place. 
Answer Link

Otras preguntas

what is 300/2000 in the form of a fraction, decimal, and percent?
how do you name a vector?
Which values of x will make the absolute value equation true? |x – 2| = 6
Which inequality is true when n=4? [tex]2n >6[/tex] [tex]n+3<7[/tex] [tex]9-n≥(greater than or equal to) 13[/tex] [tex] \frac{n}{12} ≥ 3[/tex]
All living things use nitrogen to A) reproduce. B) make sugar. C) make proteins. D) transport water.
32 is what percent of 160
what are the factors of the following quadratic equation 12=x^2-x
Identify the independent and dependent variables. The number of campers decreased, so fewer counselors are needed. A. The independent variable is number of co
a certain parallelogram has two pairs of parallel sides based on the following classifications is not correct
jane pulled weeds in the garden 7 times. She was paid $5 each time she pulled weeds for less than 1 hr and $6 each time she pulled weeds for more than 1 hr. if