While viewing an object under low power you see a small organism at the edge of the field of vision. You move to the high power lens, but the organism is no longer visible.
What has occurred? How do you correct it?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping