Functional groups are a group of molecules attached to a carbon-based core of an organic molecule. Key functional groups are 3. phosphates
A. It has mass.
Air is matter, and can't be seen thus not all matter can be seen.
Any liquid or gaseous is matter (water, air, etc.)
Since it can be liquid or gaseous it doesn't have to maintain it's shape and size to be matter.
Answer:
A
Explanation:
took the exam and this was the right answer (connexus)
Reactants: O2 (oxygen gas) and glucose
<span>Products: CO2, H2O, and energy (ATP molecules)
Hope this helps :)</span>
Answer:
Size
Explanation:
Dinosaurs, based on recent studies show that they were larger animals and its not possible now for a bird to be the same height or weight as a dinosaur back then