Answer:
4
Explanation:
Because the mean time taken to turn from blue/black to orange/brown (in minutes) was the shortest, showing that the rate of reaction was the highest.
D. Lava plateau
They are formed when lava flows from the volcano & build up over time as the molten lava is deposited & cools.
Contraction is the answer
Answer:
The sunflower plants shown are the same species. The differences in
height among the plants is an example of variation
Explanation:
Variation entails difference in a condition which is exactly what happened as regards sunflower plant with different height
I'm pretty sure that was <span>Oswald Avery.</span>