Frog larvae have
A
gills
(B
fins
C both of these
D
neither of these

Frog larvae have gills

Explanation:

the adult frog use lungs while the larvae make use of the gills for respiration

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides