1) is right option. The fossils are an extinct specie of elephants, and they're related to present day elephants.
oxygen got into our atmosphere by algae that eats Carbon monoxide that in our air
<em>The organelle function in cellular respiration is the;</em>
D) Mitochondrion
<u>The Mitochondria is the main organelle involved in respiration. </u>
A genetically modified plant contains altered or modified DNA, by the process of genetic engineering. A vegetarian should not be much concerned about an animal gene being inserted into the plant-based foods. These genes are inserted to make food healthy and more nutritious, and there is no meat. The whole process is humane and therefore, it should not be a matter of concern.
