Which of the following scenarios represents the best use of a scientific model?
a.
predicting weather patterns
b.
studying the result of mixing two chemicals
c.
studying the effect of oil spills on plant growth
d.
studying the speed of a ball down an inclined plane

Please select the best answer from the choices provided

A
B
C
D

What happens when the cell copies its chromosomes

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

In a cladogram' when does a group of organisms branch off