Abiologist wants to know which fertilizer will result in the tallest pea plants. a chemist wants to know how much energy is required to change liquid water into water vapor. a geologist wants to know which type of soil is most permeable to water. a physicist wants to know what type of material reflects the most light.
which of the following methods can best be used by all of these different scientists to answer their individual questions?
a.
performing a controlled experiment
b.
drawing a diagram as a model
c.
using popular magazines as reference materials
d.
taking a survey of their fellow researchers

answer: i would say b.

explanation:

your parents i think this could be it

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.