Answer:
The gravitational pull of Sun and all the other planets balances the gravitational pull of the earth and keeps us in orbit.
So what's your question?
HippieA Hippie is a person who was raised under the ideological system that came out of the tumultuous 1960's in North America and western Europe. They are either of the flower-child/baby boomer generation or that generations' subsequent offspring. They possess a core belief set revolving around the values of peace and love as being essential in an increasingly globalized society, and they are oftentimes associated with non-violent anti-governmental groups. There is a stigma of drug abuse attached to the hippies that is prevalent to this day, specifically the use and abuse of marijuana and hallucinagens. Many rock movements,poets, artists, and writers from the 1960's to today have associated with this movement, most prominently The Grateful Dead, Bob Dylan, Janis Joplin, and Phish. There are others too numerous to name. The movement, then and now, is considered a sub-culture by sociologists that associates itself with the left in all its political opinions. The conservative right often berates and abuses the opinions of people who associate themselves with the hippie movement and/or lifestyle, as the consider it dangerous and degenerative to a society to favor liberalism to such an extent."When we heard about the hippies, the barely more than boys and girls who decided to try something different... we laughed at them. We condemned them, our children, for seeking a different future. We hated them for their flowers, for their love, and for their unmistakable rejection of every hideous, mistaken compromise that we had made throughout our hollow, money-bitten, frightened, adult lives."
Author: June Jordan
"How many times must the cannonballs fly, before they're forever banned? ...How many deaths will it takes till he knows that too many people have died?"
Bob Dylan- Blowin in the wind.
The study in a Pennsylvania forest reveal about the environmental effects of using DDT reveals that a large number of ladybird were killed due to DDT which caused rise in the population of aphids.
DDT is a chemical that was used for killing the insects and keeping the crops safe and productive. It was later found that it has a worse effect on the lives of other non target organisms like other insects, bird and human as well.
It is also known to be associated with the phenomenon of biomagnification. It is a process of accumulation of harmful chemicals with increase in the trophic level which occurs due to continuous intake of food contaminated with chemicals that is not tolerable and causes serious implication.
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Recently, microalgae have been recognized as a promising platform for biofuels production and biorefineries. Microalgae have very high growth rates when compared with that of terrestrial plants, thereby demonstrating high CO2 fixation efficiency and high biomass productivity.
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Renewable resources are the resources which can never be exhausted. The difference between fresh water and coal is that, fresh water is a renewable resource, while coal is a nonrenewable resource.
<h3>What are the types of natural resources?</h3>
Natural resources are materials that people utilize from the Earth.
Generally, resources can be grouped under two categories, i.e. renewable and nonrenewable resources.
- Renewable resources: The resources that can be grown again or in other words the resources that can never be exhausted are called renewable resources. Examples solar energy, fresh water, trees, etc.
- Non-renewable resources: These resources are present in a fixed amount in environment or one can say that these can never be replenished if exhausted once. Example coal, oil, fossil fuels, etc.
Thus, the correct option is D.
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