Answer:At the Exploratorium, we dissect cows' eyes to show people how an eye works. ... A tough, clear covering over the iris and the pupil that helps protect the eye. Light bends as it passes through the cornea. This is the first step in making an image on the retina.
Explanation:
 
        
             
        
        
        
Answer:
<h2>
Question no 4 answer</h2>
Fossil fuels will still provide 60% of energy in 2040, compared to 85% today, but the pattern of use will change, away from coal and towards gas, and increasingly concentrated in industry. Fossil fuel prices would be lower in a 2˚C scenario, with less need to mobilise high-cost reserves to meet demands.
<h2>
Question no 3 answer</h2>
Carbon emissions trap heat in the atmosphere and lead to climate change. In the United States, the burning of fossil fuels, particularly for the power and transportation sectors, accounts for about three-quarters of our carbon emissions
<h2>
Question no 2 answer</h2>
The premise of this Viewpoint article is that the sustainability of the electricity supply is very often addressed in narrow frames of reference, which sets up incremental decision-making. To more fairly compare the economic, social, and environmental aspects of renewables, such as photovoltaics, to fossil fuels, a broader view is required which needs to take into account the impacts of the fossil fuel supply chain.
<h2>
Question no 1 answer</h2>
These non-renewable fuels, which include coal, oil, and natural gas, supply about 80 percent of the world's energy. They provide electricity, heat, and transportation, while also feeding the processes that make a huge range of products, from steel to plastics.
<h2>
plz mark me as brainliest</h2>
 
        
             
        
        
        
You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem. 
        
             
        
        
        
B. a form of gene is the correct answer
 
        
                    
             
        
        
        
Answer:
True The human body contains 8-10 liters of blood.