- Life Sciences
a chemical used as an antiseptic to prevent bacterial and fungal growth.
a duct through which saliva passes from the salivary gland into the mouth.
an international agreement to phase out the use of CFCs, signed by 49 countries in Montreal,...
the structure that separates the right ventricle from the pulmonary artery. It prevents the...
all types of waste that pose a significant threat to people and the environment.