Fill in the blanks. a. are the most advanced among cryptograms. b. are saprophytes. c. are green thallophyta. d. have undeveloped flower but have no fruits. e. A mushroom lies in subdivision f. A mango plant is member of subdivision.​

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?