Which items are examples of human-environmental interaction? - the grand canyon - big walker mountain tunnel - south texas nuclear generation station - the lunar eclipse - urban sprawl

Suggest 3 different reasons why there is an ageing population in the uk .

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.

What happens if you look at the sun through a magnifying glass? would it be any worse than just looking at the