4. Ano ang matinding suliranin ang kakaharapin kapag patuloy ang pagkasira ng lupa?
A. Maaaring magdulot ng kakulangan sa pagkain at panganib sa kalusugan
B. Maaaring magdulot ng kakulangan sa pangangailangan
C. Maaaring magdulot ng kawalan ng hanap-buhay sa mga mamamayan.
D. Pagkakaroon ng di inaasahang sakuna.

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?