The earth’s crust is principally composed of
a.
granitic and sedimentary minerals
b.
granitic and basaltic minerals
c.
basaltic and sedimentary minerals
d.
none of the above

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

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

This is collection of data made by comparing objects in standard units. in science, the units are metric.