Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
Explanation:
Answer:
10 m/s²
Explanation:
Near Earth's surface, gravitational acceleration is approximately 9.81 m/s2, which means that, ignoring the effects of air resistance, the speed of an object falling freely will increase by about 9.81 metres per second every second.
Strategies include listening to relaxing music, reading a book, taking a hot bath, meditating, deep breathing, and visualization. Try out different methods and find what works best for you. Relaxation techniques before bed, including hot baths and meditation, may help you fall asleep
Answer:
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