Answer:
1. Carbon dioxide.
2. Human activities such as :-
1. burning of oil
2. Coal and gas
3. deforestation
3. we can use pie chart as well as graph to represent this.
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Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.
<span>Plants use carbon dioxide and sunlight to make their own food and grow the carbon becomes part of the plant. Plants that die and are buried may turn into fossil fuels made of carbon like coal and oil over millions of years. When humans burn fossil fuels most of the carbon quickly enters the atmosphere as carbon dioxide :) i love biology</span>
Answer:
solid
Explanation:
in solid the molecular arrangement is vey tightly packed and there are barely any spaces between as this is the reason why solids cant flow or fit into any shape...
