Which type of eclipse makes the sun appear in the form of a ring

Write a 150-word essay describing the effect of people's activities on the environment in the region.

Which features do all new rocks formed near oceanic ridge share? pillow shaped stripes pattern provide evidence to seafloor spreading made from molten material iron oriented in same direction

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before