Hydrogen is in a state of matter as a gaseous form. (so the answer is gas)
<span>One important mechanism of evolution, natural selection, </span>does<span> result in the evolution of improved abilities to survive and reproduce; however, this does not mean that evolution is progressive — for several reasons
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<span>The correct answer is A. Carbon. That's why things like breads and other whole grain foods, including all types of pasta, are called carbohydrates. They are a great source of quick energy but one should not eat a lot of them because they can make you obese if you're not careful. Chocolate and other sweets are also great sources of carbohydrates. </span>
Answer:
Grass consumes the sunlight and water, a gazelle may eat that grass, a heyena may eat that gazelle, and a lion may eat that heyena.
Explanation:
The right answer is D) photosynthesis in plants
Cellular respiration does not produce oxygen, it consumes it rather. The same for the respiration of animals and the human being.
The degradation of organic matter does not produce oxygen.
Photosynthesis is the only one of these proposals that produces oxygen, and this process belongs to the plants.
