What does laccolith and sill have in common?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland