En qué situaciones de tu vida consisten los metales y los metaloides​

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

The minerals found in bones are deposited by living cells called

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's