Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
Answer:
salt
Explanation:
if water has salt it is no longer considered fresh, rather it is salt water
Genetic code is a sequence of 3 letter word, known to be one after the another along the length of the DNA.
Answer:the planets are moving sideways.
Explanation:
The basic building block of DNA and RNA are Nucleotides.
