Q: Bread has little holes in it from carbon dioxide produced by what? Choices: - sugar - water - bacteria - yeast A:
yeast

(Question)
Q: What to tadpoles develop into? Choices: - toads - mosquitos - snakes - frogs A:
(Answer)
frogs

Ques: Q: Chromosomes consist of what material made up of strings of dna? Choices: - mitochondria - gray matter - rna - chromatin A:
Ans: chromatin

(Q).
Q: Covalent solids are formed by networks or chains of atoms or molecules held together by what? Choices: - ionic bonds - bail bonds - gravitational bonds - covalent bonds A:
(A).
covalent bonds

Ques:Q: Name the two types of water turtles live in. Choices: - arctic water and ice water - ocean water and sea water - river water and lake water - ocean water and fresh water A:

Ans:ocean water and fresh water

Question: Q: A polyatomic ion is an ion composed of more than one what? Choices: - pair bond - neutron - nucleus - atom A:
Answer:
atom