The person who discovered that pandan leaves can be used as insecticide is not known. Pandan has been used as insect repellant since the old times.
The pandan wax has very basic and easy steps. First, cut the leaves and crush it in the blender and then put it in the refrigerator to make it solid.
DDT
The astronomer, Oglivy
Salt is a natural product; the first use was as a food additive.
yes they are a plant first leaves
he discovers how to masturbates with his bow
Insecticide
leaves first, then flowers, then apples
many discoveries were made likeResearchers discover riboflavin, or vitamin B3.Manfred Sakel discovers insulin shock therapy First vaccine for yellow fever.Ladislas J. Meduna discovers metrazol shock therapyGerhard Domagk discovers Protonsil, the first sulfa drug, and uses it to treat infections caused by streptococcus.
When Joe discovers that the mouse doesn't work, he is in the gathering evidence stage of the scientific method. Asking a question is the first stage.
the first leaves are the primary leaves whereas the second leaves are the secondary leaves.
Who is credited with being the first to realize that Columbus had discovers