1.) Write 2 points of difference between water molecule and hydrogen molecule. 2.) Differentiate between homogeneous and heterogeneous mixture.

please help me in Chemistry :)​

1. A water molecule contains oxygen and 3 total atoms, while a hydrogen molecule is just hydrogen and only 2 atoms.

3. A homogeneous mixture is when there is no visible parts of the mixture, whereas a heterogeneous mixture may have layers, precipitate, or particles in it.

the child will have heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother.

the child is heterozygous

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.