A(n) in a molecule influences the way that a molecule reacts.
a organic compound
b functional group
c hydrocarbon
d lipid

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet