Explanation:
gotta make a mess to clean a mess
Researchers must utilize a control group in a scientific study because <span>it is important to show that between two groups that were similar from the beginning of the study, the one that received the manipulation is the one that changes. Note that the control group is the group in the experiment that does not receive manipulation by the experimenter and is thus used as basis for how the other test subjects changed. </span>
well here's why
Since opposite charges attract each other, the negatively charged electrons are attracted to the positively charged protons. Tell students that this attraction is what holds the atom together. Explain to students that in a hydrogen atom, the negatively charged electron is attracted to the positively charged proton.
hope this helps
Answer:
C - habituation.
Explanation:
As the exercise explains, when an infant is repeatedly faced or exposed to a visual stimulus, their interest wanes and look away or refuse looking sooner. This decrease in the infant's responsiveness is called habituation. So, in other words, this is a process in which a response decreases as it's exposure is longer or becomes more repeated. There are times where the response is to completely ignore it. To add another example, it could happen that we have or work with a noisy air conditioner. At first we might hear it all the time but, after some time, we would hear it less often, and then less frequently, and then we might even ignore it's complete existance.
A closeness to the coast is usually seen as a good thing: it's combined with good trade possibilities, which are beneficial to a country.
I think that the best answer is <span>a) <span>A landlocked area hampers trade with other countries and therefore stifles the economy.
it does mean more farming land, but this might not be more attractive than trade routes. </span></span>
