The big bang theory states that 1.the universe will explode 2. the universe is contracting 3.the universe cannot expand anymore 4.the universe began as a small, dense ball of matter

4.

Explanation:

The universe began as a small, dense ball of matter. Gravity pulled it into itself, causing and explosion, hence the "big bang" Please mark brainliest! And ask more questions if you need!

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.