Answer: b is ineffective pointing lights on billboards and street signs upward
Answer:
The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.
Answer:
Esquema del Sistema Nervioso Central humano. Se compone de dos partes: encéfalo (cerebro, cerebelo, tallo encefálico) y médula espinal. Los colores son con fines didácticos. El sistema nervioso central es una de las porciones en que se divide el sistema nervioso.
Explanation:
hope it help
Change over time. I believe this is a multiple choice question, but you have not provided the options.
The number of H+ ions moving down the channel.
So id say the answer is C.
