Hello,
The answer is for sure <span>A. O horizon</span>.Positive.
Hope this helps
Experimental technique I believe
Answer:
Females have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up in pairs is called a karyotype.
Explanation:
Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
the correct answer would be C. Coffee is a homogenous mixture.