The is a particularly sensitive region of the retina on which focused images are automatically centered.

Where is energy trapped inside the organelle chlorophyll

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

Which statement best explains the difference between weather and climate? the weather of an area is the same as its climate. the weather is the climate of an area over a period of time. the climate of an area depends on the weather. the climate is the weather patterns over a long period of time