When sound waves hit a solid surface they either reflect, refract, or absorb.
Echo's are caused by the reflection of sound waves.
<span>An inability to transfer and store new information from short term memory to long-term memory is called "Amnesia"
Hope this helps!</span>
C.<span>Multiple organisms may be affected by the loss of a plant species.
It's a chain reaction, for example, giraffes eat plants like leaves and twigs of acacia, but there are no more plants. Giraffes won't have any food and its population will decrease. Lions eat giraffes but there are little giraffes so lions will probably decrease and eat another animal or prey. That prey will also decrease as it is now the Lions primary prey.
I hope that makes sense</span>
Answer:
ya it can also be the largest compound but it needs alot if pressure
