6. Which of the following frequencies of light has the highest energy?

Possible answers:
A. 1.4 x 10^15 s^-1
B. 2.5 x 10^10 s^-1
C. 7.0 x 10^13 s^-1
D. 2.3 x 10^14 s^-1
E. 5.0 x 10^14 s^-1

How does this passage demonstrate the use of propaganda? select two options.

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

Ahummingbird travels from plant to plant to feed itself. which of the following ecosystem services does this hummingbird most likely provide? i. pollination ii. seed dispersal iii. soil preservation i only ii only iii only i and ii only ii and iii only