Answer: C. A brood chamber is made by bees, but comb foundations are built by humans.
Explanation:
The brood chamber is a natural part of the beehive where the bee workers made cells where these works lay eggs. Here, development of the larvae and pupae takes place. The cells of the brood chamber holds the pollen, nectar and honey which is used to feed to develop the larvae.
Comb foundations are the artificial creation made by humans is a place made from wax which forms the base of the honeycomb. It is used to give the support to the beehive.
Answer:
A. Kinetic energy will be half of what it was before.
Explanation:
K.E. =(0.5)*m*v^2
K.E’’= (0.5)*(0.5)*m*v^2
K.E’’= 0.5 *K.E.
Hope this helps! :D
Answer: strip mining
Strip mining is the process of removing the soil and rock above a surface. This process is followed by the removal of the exposed mineral too. Some techniques in strip mining are also called as the area mining or the contour mining.