Put the following in order by size from largest to smallest: nucleus, gene, chromosome

Nucleus, chromosome, gene

Explanation:

The nucleus is the part of the cell where chromosomes are found. A human cell has 42 chromosomes. The chromosome have genes on them (made up of DNA strands – the strands are made of nucleotides). A gene is a sequence of nucleotides of the DNA that code for a functional protein.  

good one: produce hormones that plants grow.

bad one: the problem with organic matter is that while plant nutrients are needed for crop growth, they can also stimulate excessive growth of the wrong plants – mainly, algae.