anti
antiseptic
bicycle
a vehicle with two wheels
geology
the study of Earth
biology
the study of life
subscription
the act of agreeing to receive something like a magazine, newspaper, or YouTube videos on a regular basis
antibiotic
medicine that fights against germs or bacteria that may cause diseases
bivalve
a sea creature with two shells such as a clam, oyster, or mussel
geologist
a scientist that studies Earth
geology
the study of Earth
manuscript
a book often written by hand
anti-discriminatory
against discrimination
happening every two years
geothermal
Earth's heat
criminology
the study of crime and criminals
alternative
another choice
antonym
the opposite (goes against the word)
bicolor
having two colors
geode
a rock crystal that comes from Earth
paleontologist
a scientist who studies fossils
alteration
a change to something