Because they are non renewable sources of energy and they took billions of years to form.
Answer:
The Green plants are missing in the food chain
Explanation:
Producers: The green plants since they produce their own food are also termed as autotrophs. They absorb energy from the sun to make their food. In ocean the phytoplanktons are the producers. In oceans the zooplanktons eat the phytoplanktons. Again the smaller zooplanktons eaten by larger zooplanktons and this eaten by fish. The fish is eaten by a bird. The tertiary consumer.
Consumers: It includes all organism eat something to survive. They might be herbivores and carnivores
Decomposer: The microbes bacteria and fungi converts dead matter into carbon and nitrogen which backs into the atmosphere.
Hippocampal neurogenesis<span> is impacted by environmental factors such as age, excercise, stress and anti-depressant use.</span>
A because protons make the atom the element it is and the molar mass is made up by the neutrons and protons. The protons must stay the same to keep the same element and electrons hardly have mass so A
