How is the equipment shown in the picture used in space travel and exploration? A )to communicate with spacecraft

B )to launch spacecraft past Earth's gravity

C )to find orbital velocities of different spacecraft

D )to prevent spacecraft from overheating upon re-entry

hey your not cool]      

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.