What is the first step in recording an impression?
a. making a cast of the impression
b. testing to see whether the tool fits into the mark
c. taking a photograph
d. taking the entire impression to the lab

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

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?

Consider the activity and specificity of the three enzymes.pepsin is most active in the human and to digest