containing powerful telescopes have been built throughout the world to study features of stars, galaxies, planets, and other objects in the sky a
heliocentric model
b
Space Station
c
star chart
d
Observatories

WILL GIVE BRAINLIEST

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic