Which statement is true of all organic compounds?
a. all are hydrophobic
b. all contain carbon
c. all are classified as carbohydrates
d. all contain nitrogen?

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

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants