by heat and pressure on the rock
2*2
Precambrian rocks are often heavily metamorphosed, making it challenging to determine their original composition and age accurately. The lack of easily recognizable fossils in Precambrian rocks makes it difficult to establish a timeline of events and understand the evolution of life during that time.
1. Organically. 2. Mechanically. and 3. Chemically.
1) Used as weapons 2) To build walls / buildings
Intrusive rocks are from the magma INSIDE of the volcano. Extrusive rocks are from the OUTSIDE of the volcano. I don't know 2 other ways but by the way I learned this in 4th grade?!
1) by needles 2) through sex
list 2 ways which diocletian tried to ease the crisis
1) physical erosion. 2) chemical weathering.
1) physical erosion. 2) chemical weathering.
2 of them are folding and tilting but i dont know the rest
HIV can be transmitted by blood and breast milk. HIV can't be transmitted by sweat and saliva.
iiddkk.haha we r not the smart peoples