Hi, could anyone tell me what this is? I don't know what this is and after sitting for a while at an angle, I noticed this on my thighs.

Aboy with an extra x chromosome probably has which of the following syndromes?

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

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse