When sound waves hit a solid surface they either reflect, refract, or absorb.
Echo's are caused by the reflection of sound waves.
Answer:
Endoplasmic reticulum: Sac filled with digestive chemicals
Ribosomes: Small structure that synthesizes proteins
Golgi body ( Golgi apparatus): Stack of membranes that packages chemicals
Lysosome: Structure that manufactures ribosomes
Mitochondria: Structures that converts nutrients to energy
Cell membrane: Membrane that surrounds and protects the cell.
Explanation:
I'm learning this too in school so I know this is right!
The ovary is the expanded inferior part of the carpel. It contains the ovules waiting to be fertilized by pollen.
<span>The function of an ovary is to hold egg cells in a flower to use when beginning the reproductive cycle.</span>
Answer:
to help digest food and to make vitamins
Explanation:
Answer: A. Mantle
" Heat rising and falling inside the mantle creates convection currents"
