Answer:
triple bonds
Explanation:
One carbon atom forms four covalent bonds with four hydrogen atoms by sharing a pair of electrons between itself and each hydrogen (H) atom.
Answer:
The mechanism of hearing. Sound waves enter the outer ear and travel through the external auditory canal until they reach the tympanic membrane, causing the membrane and the attached chain of auditory ossicles to vibrate.
Genetic engineering because the genes of the plants were modified
Energy loss is demonstrated more clearly on an energy pyramid than on a food web.