Graph attached
Answer:
b. Less energy is needed to start reaction B.
Explanation:
The graph shows two different reactions and the energy required over time
a. More energy is released by the original reaction. - this is false, more energy is required for the original reaction to proceed
b. Less energy is needed to start reaction B. - this is true, the peak of the curve is lower showing less energy is required
c. The original reaction is catalyzed. - this is false, likely reaction B is catalyzed
d. Reaction B occurs at a slower rate.- false, they occur at the same rate.
Reflex arc which can act on an impulse before that impulse reaches the brain.
Water because the others are to complex to be diffused with out being digested but water can be diffused as if.
1.crust
2. mantle
3. outer core
4.inner core