Answer:
Photosynthesis replace CO2 with O2 in the atmosphere. Plants prepare their food by this process.
The burning of hydrocarbon in the presence of O2 is called combustion.
CH4. + O2-----------> CO2. + H2O + Heat
Hydrocarbons undergo combustion.
Geology is yhe branch of science which deals with the study of earth. The person that studies geology is geologist.
Explanation:
Sexual requires two, Asexual is only one parent.
Polygenic of or relating to an inheritable character that is controlled by several genes at once of a related to or determined by polygenes. Genetic science, genetics- the branch of biology that studies heredity and variation in organisms.
Answer:
b) A parasite does not immediately kill its host.
