What is the missing number?

The term equestrian relates to which animal? bulls cows horses pigs

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.