Match each scientist to the observation she is most likely to make.
geologist
a certain ocean current
has warmed by 0.2°c in
the last 40 years.
astronomer
last year, there were an
average number of
tornadoes in kansas.
hydrologist
an earthquake caused a 2
cm movement along a
fault in california.
meteorologist
earth's year is slightly
longer due to the gravity of
mars.

this are the right answers for apex

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.