Answer:
any gas takes up 22.4L per mole so 2.4*22.4=53.76
Explanation:
Yes plants can grow with different liquids
Answer:
9000 BC
Explanation:
Although various copper tools and decorative items dating back as early as 9000 BCE have been discovered, archaeological evidence suggests that it was the early Mesopotamians who, around 5000 to 6000 years ago, were the first to fully harness the ability to extract and work with copper.
