They boost the activity of the central nervous system
Answer: it wants you to type in why you think the rates of deppresion have increased in your own opinion. so write why you think deppression rates have increased.
Explanation: simple read it.
Experiments of Redi and Pasteur helped demonstrate that living things do not arise from nonliving material.
You can use <u>conchoidal </u>fractures to tell the direction from which a projectile struck glass.
Conchoidal fracture, frequently seen in quartz and glass, is referred to as a fracture with smooth, curving surfaces that resemble the interior of a seashell. Rapidly applying stress to fragile things causes the fracture surface to grow with a smooth curved surface. Such materials frequently exhibit conchoidal fracture because they lack a crystalline structure or cleavage. Glass develops ridges along the edge when a bullet strikes it; these fractures are apparent in profile. These fractures are almost parallel to the direction of applied force (the direction which the projectile came from).
To learn more about conchoidal fractures and projectile here,
brainly.com/question/14526355
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