Answer:
Dear Charles Darwin,
My name is ___ and I was wondering how all of your theories and findings came to your comprehension of evolution. I have heard and learned about your evolution theories and would like if you could answer some of my questions. What first sparked the interest in evolution? Do you truly believe that everything evolves over time? How do your findings contribute to your theories of evolution? Thank you for your time to answer these questions.
Sincerely ___
Explanation:
Charles Robert Darwin was a British naturalist, geologist, and biologist best known for his contributions to evolutionary science. His dissertation that all kinds of life are derived from a common ancestor is widely accepted today and is considered a basic concept of science.
Answer: A. Rangeland → Pastureland
Rangeland can be defined as biome, which is dominated by the growth of shrubs and grasses. These are found in grassland, woodlands , wetlands, shrublands and deserts. A rangeland can be used as pasture land. A pasture land can be any land used for grazing by wild and domestic herbivorous animals. The rangeland can be appropriately used as pasture land because it provides a substratum for the growth of large diversity of grasses, hence, can be used as land for grazing domestic animals like cattle sheep, cow and buffalo. Therefore, reduces the expense of commercially available fodder.
Answer:
Potassium = Great conductor of heat and electricity
Neon = Non reactive
Boron = has properties of both metals and non metals
Barium = Malleable and highly reactive
Explanation:
Potassium = Great conductor of heat and electricity
Potassium is soft metal and has low melting point. It is white silvery luster with great heat conducting properties.
Neon = Non reactive
Neon is present in group eighteen. It is noble gas. Its outer electronic shell is completely filled that's why it is non reactive.
Boron = has properties of both metals and non metals
Boron is metalloid and behave like both metals and non metals.
Barium = Malleable and highly reactive
Barium is belong to group 2A. It is alkaline earth metal. It is highly reactive towards other elements such as oxygen, fluorine, chlorine , etc.
Pangea's existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift.
Environmental Sustainability Environmental sustainability is the process of making sure current processes of interaction with the environment are pursued with the idea of keeping the environment as pristine as naturally possible based on ideal-seeking behavior. What makes environmental sustainability so important is that it demands that society designs activities to meet human needs while indefinitely preserving the life support systems of the planet. Human consumption can only use the nature’s resources at a rate that can be replenished naturally. Human Values affecting Society The most devastating environmental change of all is the loss of biodiversity.
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