<span>Experiments</span>
An experimental research entails a
controlled test of a cause-and-effect relationship that researchers suspect
exists. Experiments involve a researcher directly controlling or manipulating
changes in the independent variable by exposing participants to the treatment
conditions. It is undertaken to make a discovery or test a hypothesis
Answer:
Toothpastes generally contain the following components: Water (20–40%) Abrasives (50%) including aluminum hydroxide, calcium hydrogen phosphates, calcium carbonate, silica and hydroxyapatite. Fluoride (usually 1450 ppm) mainly in the form of sodium fluoride.
We know that rectangle=L.W so putting values we get
= (24).(25)
=multiplication of these expression's
Answer:
Director of state Emergency Management Agency
Explanation:
State Emergency Management Agency was created by executive orders in 1979 in order to coordinate all available resources within local and state level to handle various type of disasters that occurred in united states (such as earthquakes, hurricane, etc).
State emergency Management Agency will take the full control in large-scale emergencies, gathered groups of professionals from various fields to help with the operation, along with providing local residence with education on what need to be done in order to survive the disastrous event.