The rate of deposition of different units in a basin may be calculated by looking at their times of deposition and thicknesses; the time when sediment shows when the basin began forming.

thats correct, but whats the question

explanation:

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker

the first plants to make the transition

explanation:

without the article i believe the answer could be a because algeria is a low soci-economic country in africa and most countries that ahve such qualities lack womens rights