I believe the correct answer is A. Photosynthetic organisms, because they remove certain amounts of CO2 in the atmosphere to carry out the process of photosynthesis. Unlike the other options that increase CO2.
Answer:
Global warming is caused by humans adding substantial amounts of greenhouse gases to the atmosphere, causing an increase in the average global temperature.
Explanation:
The building should have a wide heavy base, declining weight as the height increases. <span>It should allow some flexibility helps as well. </span>
<span>However, the ground makes a significant difference as well. </span>Wood-frame houses withstand earthquakes very well because they can bend and "give" with the shock waves.
A tornado that affected Hallam, Nebraska on May 22, 2004<span>, was up to 2.5 miles (4.0 km) wide at the ground, and a tornado in El Reno, Oklahoma on </span>May 31, 2013 <span>was approximately 2.6 miles (4.2 km) wide, the widest on record.</span>
