All elements of a ecosystem work together, the sun provides sun light which plants use photosynthesis for food. Small animals eat the producers aka the plants. Then other animals eat those. And so on if a plant wasn't alive then the whole ecosystem will fail.
When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.
Answer:
False
Explanation:
Scientific notation is the use of x x 10^x to write very large numbers in a shorter form.
Answer:
this is for the first image with the marshmallows in campfire-There are two main processes that heat a marshmallow: absorption of campfire radiation photons and contact with very hot air rising off the fire convection. If we place the marshmallow directly above the fire, we get both.
