Radiometric dating reveals the exact (i think its exact) age of a fossil.
The answer is D. the curculitory system transports hormons.
Collection fits into the water cycle because of how all the water molecules collect in the clouds
CH3- methyl group
COOH- carboxyl group
H2O- just water
NH2- amino goup
OH- hydroxyl group
the answer is H2O
Answer:Lipids are organic molecules which can be used for long-term energy. These includes fats, waxes, sterols, glycerides, phospholipids, etc. Lipids contain more energy per unit mass which makes it much lighter. However, their insolubility to water makes them harder to transport.
Explanation: