Which events occurred during the Space Race? Check all that apply.

1.NASA was established.

2.Yuri Gagarin orbited Earth.

3.The Soviet Union launched Salyut.

4.The United States launched Skylab.

5.The United States launched Explorer 1.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

there really is life in the deepest part

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )