Answer: cross-sequentional design
Explanation:
A cross-sequential design is a combination of a longitudinal (analizes the same variable for example a group of people, over a period of time) and a cross-sectional design (analizes data at a specific point of time).
Cross-sequational method in the example given is comparing different groups of people at different times.
Answer: It would be all of them. They are all showing specific characteristics. In this case these activities are part of physical culture
Explanation:
Particulate material that quickly loses its energy as it travels through the air, has limited penetrating power, and can be stopped by clothing or a sheet of paper is known as <u> alpha particles</u>
<h3>What is penetrating power of radiation?</h3>
The ability of each type of radiation to penetrate matter is expressed by its ability to penetrate. The more radiation a material passes through, the greater the penetration power and the more dangerous it is. In general, the greater the mass current, the greater the ionization strength and the lower the penetrating power.
Comparing only three common types of ionizing radiation, the alpha particle has the largest mass. Due to the large mass of the alpha particle, it has the highest ionizing strength and greatest tissue damage potential. However, the same large size of these alpha particles makes them less likely to penetrate matter. Alpha particles have the least penetrating power and can be stopped by a thick sheet of paper or even a layer of clothing. They are also blocked by the outer layer of dead skin on the body. This seems to remove the threat of alpha particles, but only from outside sources.
To learn more about penetrating power power from given link
brainly.com/question/9815840
#SPJ4
Answer:
Neurotransmitters
Explanation:
Let us fill in the gap in the question first;
'' NEUROTRANSMITTERS are chemical substances that are stored in very tiny sacs within the neuron's terminal buttons and involved in transmitting information across a synaptic gap to the next neuron''.
PS: The word in capital letter is the missing word to fill in the gap.
Neurotransmitters helps in transmitting message or information and they are also used to regulate mood, Concentration, rate of digestion and so on. It is released by a nerve cells and it travels down through a neighboring cell. There are different types of Neurotransmitters, few and themiat common are; dopamine, Norepinephrine, acetylcholine, endorphin, serotonin, and so on.
