Which sentence best summarizes the article? A
Scientists are trying to make sure that no endangered species becomes completely extinct.

B
Scientists believe that 25 percent of all mammals and 10 percent of all bird species will be extinct within three decades.

C
Scientists want to preserve the DNA of endangered species in a frozen state, so they can later make clones of the animals.

D
The DNA, which determines an animal's characteristics, will be preserved at a very low temperature.

i go to the store and buy some cheese,suddenly there was akward silence.   out of no where comes a ninja, and he takes an apple, and chokes the cashier, until he passes out.   the disapeared in a puff of smoke.   the cashier went to the doctor, and everything was fine again.   they all lived happily ever after without anymore ninjas.

the end

go to buy cheese= exposition

akaward silence= rising action

ninja chokes the cashier= climax

cashier goes to the doctor= falling action

they live happily ever after= resolution

to persuade readers which is answer c

at hatfield elementary school, there are 504 students in 7 classes. each class has the same number of students. what is a good estimate of the number of students in each class?

may i ask what topic?