Alocal environmental group is advocating for the use of permanent modular construction (pmc) for all new construction sites. why might pmc be better for the environment than traditional construction techniques?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false