Answer:
controlled experiments
Explanation:
Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.
Answer:
PP and Pp are purple flowers. pp is white flowers.
Explanation:
Capital P is the dominant gene, while lowercase p is the recessive gene.
A treaty designed to protect the ozone layer via phasing out the production of multiple substances responsible for the ozone layer depleting.
A substance that posses equal number of both hydrogen ions and hydroxide ions in solution is said to be neutral. They do not display properties of an acid or base solely.
The pH is said to be at around 7.
