Me i don't know the answer

a section of the periodic table is shown below:
(the attachment)
which of the following elements has properties similar to br?

a. as
b. f
c. kr
d. ne

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?

Which hormone is used by both males and female?