URGENT!!

Which method do scientists use to confirm that crossing over occurs? (1 point)

(A): cloning

(B): dihybrid crosses

(C): gel electrophoresis

(D): genetic engineering

How do symptoms created by inflammation the doctor

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!