Choose all the answers that apply. producers: release oxygen into the air release carbon dioxide into the air make their own food using photosynthesis get their energy directly from the sun are the start of all food chains

All the statements are true except that they release carbon dioxide in the atmosphere

Explanation:

The autotrophs are the group of organisms that make their own food by trapping the sunlight from the sun.

They make food by the help of carbon dioxide and water. This process is important to start all the food chain.

By the help of this process glucose is made and oxygen is released into the atmosphere.

They are very important for the living forms on earth as they only have the ability to make food.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus