if 10.3 g of magnesium nitride is treated with 10.3 g of water, what volume of ammonia gas would be collected at 24C and 0.989 atm?

Question 1(multiple choice worth 10 points)} stefan sees a commercial on television that makes him think he needs to buy an e-reader. this is an example of wasting time getting distracted allowing someone to set goals

  usually, loads of more than pounds require the assistance of a second person.           a. 40   b. 20   c. 50   d. 30

Ahummingbird travels from plant to plant to feed itself. which of the following ecosystem services does this hummingbird most likely provide? i. pollination ii. seed dispersal iii. soil preservation i only ii only iii only i and ii only ii and iii only