Which of the following describes a maritime tropical airmass?
a. cool, humid air masses from over the icy cold waters of the north pacific.
b. warm, humid air masses from over the waters of the gulf of mexico.
c. hot, dry air masses form mostly in summer over the dry areas of southwest and northern mexico.
d. large air masses form over the canada to bring very cold weather with low humidity.
plz

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.