What do nitrifying bacteria do?

a. remove nitrogen gas from ammonium

b. release nitrogen from fossil fuels

c. convert ammonium to nitrates

What abo controlling alleles could kim give her child

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring