X-rays are used in medical applications to produce images of bones, tissues, and organs. X-rays are capable of penetrating tissues such as skin, but are less capable of penetrating bone. This property of
X-rays derives from which characteristic of the rays?
their large amplitudes
Otheir short wavelengths
their long wavelengths
Otheir small amplitudes
?

It would be

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Sorry i dont understand the question can you rephase it?