The first part of the name represents the genus of the organism. The second part of the name represents the organism's species. This naming system is known as
A.
binomial nomenclature.
B.
Linnaean taxonomy.
C.
Newton's laws.

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil