The correct answer would be B.(2nd one)
There are seven major classes of nutrients:
carbohydrates, fats, fiber, minerals, protein, vitamins, and water.
Answer:
Polymerase
Explanation:
The enzyme joins nucleotides to synthesize a new two strand of Dna
D. Salamander is not a reptile.
It is an amphibian. It looks like a lizard but is not one. It lives on both land and water.
It's Kingdom Animalia; Phylum Chordata; Class Amphibia; Order Urodela with sub-orders Cryptobranchoidea, Salamandroidea, and Sirenoidea
The term is called THEORY.
In scientific investigation, a theory is a well substantiated explanation of how a particular phenomenon works based on the set of facts which had been repeatedly confirmed through observations and experiments. A scientific theory gives reliable account of a phenomenon.
