In which situation is the principle of cross-cutting relationships useful in determining relative age? 1.A fault breaks through sedimentary layers.
2.Fossils of two different species are found in different rock layers.
3.Sedimentary layers form over millions of years in a lake bottom.
4.Lava flows form on top of one another from several eruptions over time.
ASAP!!!

98 point question what is the record for most points in one

With number 11 ( show how you got the answer)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.