He leading cause of death for both caucasian females and males is:

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

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

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?