X chromosomes and X chromosomes develop as a girl and X and Y develop as a boy
In photosynthesis, using light energy, plants convert CO2 and H2O into O2 and C6H12O6
CO2= carbon dioxide
H2O= water
O2= oxygen
C6H12O6= glucose
Proteins in the cell membrane that assist with facilitated diffusion are known as carrier proteins or transport proteins since they carry material across the cell membrane .
Answer:
vaccination
Explanation:
Vaccination also called immunization is the administration of antigenic material called a vaccine to produce active artificial immunity against a disease. Vaccination protects humans from infections of many diseases. Examples include tuberculosis poliomyelitis, whooping cough, diphtheria and measles.
Active artificial immunity is where antibodies are formed in response to administration of dead or weakened( attenuated) pathogens or chemically treated toxoids.
<span>Some neanderthal skulls have cranial capacities that are LARGER AND HAVE MORE PROMINENT FEATURES than those of the average modern human. Neanderthals have defining features or structures on their skulls that separate them from modern human, among these are large eye sockets and higher bone density. </span>
