<span>The correct answer here is drought. A drought is when there is a shortage of water, due to a long period of time in which there if far less rainfall than would normally be expected in any one area.</span>
The first one should be it
<span>It's is the second one. The waste materials generated by one organism are often reused by other organisms.Mass, or matter, is conserved in all physical and chemical changes. Matter is not created or destroyed within ecosystems, it only undergoes physical or chemical changes. One example of this process is that the waste materials generated by one organism are often reused by other organisms as food or nutrients.</span>
