Answer:
B
Explanation:
Amount of energy decreases as it goes higher up the trophic levels.
<span>C5H12 has only 3 isomers. They are pentane, butane and propane.</span>
Answer:
The statement is true.
Explanation:
During the first half of the 20th century, racism was extreme and constant in many countries. This racist thinking forced African American people to eat, drink, study and do everything in different places. Also, the only work they could do was housekeeping or physical work like construction.
Answer:
Practice that provides the best means of protecting biodiversity in the wild for future generations is - <u>expanding breeding programs for endangered species .</u>
Explanation: The best way of preserving biodiversity for future generations in the wild -
- <u>Expanding breeding programs for endangered species . -:</u> Breeding programmes, such as the panda, help conserve endangered species. Replanting hedgerows because there is greater biodiversity in them than the fields they surround, minimizing deforestation and the release of greenhouse gases, protecting and creating new endangered ecosystems, often by making National Parks.
The other statements are not so suitable means of protecting biodiversity in the wild for future generation as the first statement indicates about the initiation of recycling programmes in neighborhood , which has no role in preservation of biodiversity or wildlife because the statement is about keeping the environment clean and healthy .
The other statement is about reduction of air pollution as buying vehicles with reduced carbon emissions improves the quality of air.
And the other statement of Protecting wildlife areas such as national parks comes under the other statement which states "expanding breeding programs for endangered species".
Hence , the correct option is D.
Answer: chlorophyll
Explanation: the green color compound present in the leaf is chlorophyll. Chlorophyll is a chemical or a molecule that is present within the chloroplast of the leaf.
This compound is responsible for the conversion of carbon dioxide and water with the help of light energy of the sun into sugars. And plant prepares its food through this chemical compound. This process is known as photosynthesis.
