1. c
2. False (pulmonary artery carries blood from RV and pumps to the lungs)
3. False
4. True (have trouble breathing while laying down)
5. D
6. True
7. True
8. False
9. B.
10. True
Answer: 1. a biological community of interacting organisms and their physical environment.
2. Next come the omnivores that eat a mixture of plants and herbivores. That's where humans rank, with a trophic level of 2.2. Above us are carnivores, such as foxes, that eat just herbivores. At the top of the scale are meat-eaters that don't have any predators themselves, such as polar bears and orca whales.
3. 25,000 square miles of forests provide habitats for many species and tourism opportunities for residents and visitors to the state. Forests are also essential to Florida's environmental health. Floridians from all walks of life are working together to preserve animal and plant habitats for future generations.
4. Abiotic factors in the Florida Keys are things like hurricanes, currents, sunlight, and water quality. Hurricanes occur in the Florida Keys about 13-16 percent. These violent storms can damage coral reefs because of high winds and large waves.
Explanation: hope this helps! Brainliest ?
Answer is Alcohol, and Tobacco, and followed by Marijuana.
It will help you.
