Earth’s global temperature has changed greatly in the past hundreds of years. This is due to how much energy the planet is receiving from the sun and how it radiates back. Another cause is humans, due to deforestation, burning of fossil fuels, pollution, etc.
Answer: alternative A
Explanation: The deeper the layer in water, the <u>less light reaches it</u>. In deeper layers, therefore, it becomes difficult, if not impossible, to photosynthesis to occur. Having in mind that <u>phytoplankton and photosynthetic organisms depend on photosynthesis to survive,</u> they won't appear in such dephts.
Answer:Aging. ...
Family history. ...
Smoking. ...
Alcohol. ...
Sunlight and ionizing radiation. ...
Organic and inorganic chemicals. ...
Viruses and Bacteria. ...
Hormone therapy.
Explanation:
Answer: False
Hope this helps