Hannah theorized that sleep people behave in safer ways. she tested her theory by conducting an experiment. she manipulated the amount of sleep participants got and then tested their driving ability. hannah learned that participants who got more sleep were safer drivers. in this example, hannah's theory led her to
a)replicate research
b)solve a developmental problem
c)generate a discovery
d)change the behavior of many people
generate a discovery

Why do governments supply public goods and services instead of selling them to those people who use them

How was the appointment of two consuls during the roman republic an example of a democratic principle? one consul represented patricians and one represented plebeians, so that all citizens had representation each consul had control over the same number of military legions, which prevented either one from a forceful takeover. consuls had to agree on all decisions, which prevented any one person from gaining too much power. consuls had to make decisions based on majority rule in the senate. quickly

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.