Which of the following has a vase-shaped body structure? a. a medusa b. a polyp c. a sponge larva d. a shark

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

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?