To the person on top of me stop commenting that virus everywhere
The answer is the bottom answer you have marked. All of the above.
Answer:
Make an observation
Explanation:
The scientific method or any scientific investigation, starts with observation. Observing natural phenomena, to be specific, will ellicit questions that can be later on, if applicable made into a hypothesis. These are generally the first steps (put together).
After a hypothesis is made, testing or an experiment will ensue to test whether the hypothesis will hold or not.
Answer:
Explanation:
Cyanoacrylate or super glue fuming is used to develop latent fingerprints and make them visible.Fingerprint powders, however, adhere to the sweat and therefore the powders have a difficult time adhering to only the amino acids, proteins and fatty acids.
Hope this helped!!!
The two ions are SODIUM AND CALCIUM IONS. Polarization refers to loss of polarization, that is, loss of the difference in charge between the inside and the outside of the plasma membrane of a muscle due to a change in permeability and migration of ion. When a heart muscle is depolarize, sodium ion and calcium ion channels open and they migrate into the cell from the outside.