Life begun sortly after the earth formed 4.54 billion years ago but the conditions well they didn't call it the dark ages for no reason
Answer:
a lung disease caused by breathing in very small pieces of ash or dust
Explanation:
Answer:
adrenaline is the hormone which is directly controlled by nervous system
Answer:
anticodon sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule.