Answer:
I think you missed something of question take a look at it
Answer:
The answer is the sun.
Explanation:
Level a represents the producers which you can tell, by their name, that they make their food. Producers are mainly comprised of the plants of our world. They get their energy from the sun and through photosynthesis, they turn it into energy.
By the way, B would be primary consumers which are the herbivores, C are the secondary consumers which include us people, and D are the decomposers, which include worms.
Plants use a process called photosynthesis ( they combine carbon dioxide and water) and use solar energy to convert it to carbohydrates and oxygen for plant growth and production of leaves and seeds to make vegetables and fruit.
The first known ancestors of frogs were about 250,000,000 years ago
Answer:
Un elemento químico es un tipo de materia constituida por átomos de la misma clase. En su forma más simple, posee un número determinado de protones en su núcleo haciéndolo pertenecer a una categoría única clasificada por su número atómico, aun cuando este pueda desplegar distintas masas atómicas.
Explanation: