If a sample of air contains 1 g/kg of water vapor and has a relative humidity of 25 percent at -5 degrees celsius how much water vapor does it need to contain to be saturated? a) 2 g/kg b) 1 g/kg c) 4 g/kg d) 3 g/kg

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment