Earth and space !
why is pseudo science not considered real science?
a. it is not testable.
b. it involves stars.
c. it is based on facts.
d. it is sometimes not popular with certain groups.
e. many people believe in the concept.

Motivation cannot be developed with practice; a person either possesses it or they do not.

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together