Water, H2O. Hydrogen atoms can each form one covalent bond, while oxygen atoms can each form two covalent bonds. Two pairs of electrons are shared in a water molecule (H2O).
the third one that says
evolution of populations over time
DDT is used to repel and kill disease carrying mosquitos <span />
Horticulturalist’s best option is clone the desired tulip so there will be no genetic variations.
Explanation:
Cloning is a process by which replica of organism is made without having any genetically variations. It is done carefully to avoid any variations in the office bring that may be related to physical or genetic structure.
The process of cloning should be done under the supervision of expert to avoid any error which could lead to the variation in genetic structure. It is very necessary for the amateur horticulturalist who desires to have dual apps without any genetic variation to perform cloning.
Answer:
I think it would be B: Our brains add details and general knowledge to childhood memories.
Sorry if its not correct
Explanation: