Which of the following is an example of a parasite-host relationship between two organisms? A. Mistletoe, a flowering plant, imbeds its root system in a tree limb for food and water. The tree limb becomes weak and breaks

B. Army ants travel along a forest floor and stir up different kinds of flying insects. Birds follow the ant colony and eat the flying insects.

C. Birds called cattle egrets search for insects in livestock fields. Livestock like cattle and horses stir up insects as they walk through the fields.

D. Clownfish protect themselves from predators by hiding amont the tentacles of sea anemones. Clownfish eat butterflywhich, which eat sea anemones.

At maximum height, kinetic energy is converted in potential energy  formula: at max height, ke = ½ * 0.27kg * (16m/s) ² = 34.56 j  so the remaining pe = (41.70 – 34.56)= 7.14 j = 0.27 kg * 9.8m/s² * h  = (9.8/7.14 * 0.27)so max height h = 5.08 or 5 m 

The figure is missing but we can answer anyway.the correct answer is "releasing the string". in fact, when the person is holding the bow and the arrow, the kinetic energy of the arrow is still zero (because the arrow is not moving). the moment the arrow is released, it acquires a velocity v, so its kinetic energy will become different from zero: where m is the mass of the arrow and v its velocity.  all the other options, instead, do not increase the kinetic energy of the system: -  pulling farther back on the string : this will just increase the elastic potential energy of the system-  holding the arrow higher: this will increase the gravitational potential energy of the system (which is given by u=mgh, where h is the height above the ground)-  decreasing the mass of the arrow: this will decrease the gravitational potential energy of the system (which is given by u=mgh, where m is the mass)

Tr

Compounds is the answer