What type of rock is this?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment