Question

In the Minds On section of this activity, you used an animated map and graph called “A Filthy History” that illustrated changing global carbon dioxide levels. According to this resource:
What is the spatial significance of Africa in the global climate change issue?

What role do wealthy or developed regions have in this issue when you consider the history of carbon dioxide emissions?

Answer 1

Carbon dioxide (CO₂) emissions from human activities are now higher than at any point in our history. In fact, recent data reveals that global CO₂ emissions were 150 times higher in 2011 than they were in 18501.

How did we arrive at such an unprecedented – and precarious – state? We continue to updated Climate Watch, with CO₂ emissions estimates, providing a rich data set that documents the historical growth in emissions throughout the world. The data also offers insights into related trends and drivers of emissions—including population growth, economic development, and energy use.

For context, at the beginning of this time period—1850—the United Kingdom was the top emitter of CO₂, with emissions nearly six times those of the country with the second-highest emissions, the United States. France, Germany, and Belgium completed the list of top five emitters. In 2011, China ranked as world’s largest emitter, followed by the United States, India, Russia, and Japan. Tellingly, while the United States was the world’s second-largest emitter in both years, its emissions in 2011 were 266 times greater than those in 1850.

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Explanation:

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Answer 2

Answer:

two metal spheres of mass 3 kg and 2kg are moving in the opposite direction with velocity of 15 metre per second and 10 metre per second respectively after the collision is they sticks to each other and a travel simultaneous please find the velocity after collision...To simplify a function existing in the multiple of an angle, we use the multiple angle identities.The formulas helpful in solving are given by :

2sinAsinB=cos(A−B)−cos(A+B), sin2θ=2sinθcosθ2sin⁡Asin⁡B=cos⁡(A−B)−cos⁡(A+B), sin⁡2θ=2sin⁡θcos⁡θ.

By reducing sin , cossin⁡ , cos of multiple of the angle into a single angle, we get the polynomial function in terms of sin,cos.

To express the given product as a sum containing only sines or cosines of the expression :

y=sin(6θ)sin(2θ)