Answer:
A. Fulcrum is between the pull and the load
Explanation:
In the first class levers, the Fulcrum is present between the force or effort and the load. Pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance are the examples of first class levers in which the fulcrum exists in the center while the effort is located at one side and the load is present on the other side of the fulcrum.
Answer:
Stratified Sampling
Explanation:
Carolyn wanted to determine her body temperature. So she wishes to collect her temperature body samples by dividing her day into three parts that is morning, afternoon and evening. She then measures her body temperature at 44 randomly selected times during each part of the day. She uses the method of sampling known as Stratified Sampling method.
Stratified Sampling method is used in Statistics world to collect samples which is partitioned into smaller sub parts. These small parts are known as strata.
Another name of Stratified Sampling is quota sampling or proportional sampling
Thus the answer is proportional sampling.
Marijuana is legal for medical purposes in 30 states
Thirty states and Washington, DC, allow marijuana for medical purposes, although their approaches can significantly differ.
Some allow medical marijuana dispensaries and home cultivation. Others only allow home cultivation. And a few allow dispensaries but not home cultivation.
Answer:
The brain has three main parts:
Cerebrum.
Cerebellum.
Brain stem.
Explanation:
