Which statement best illustrates a debatable argumentative thesis?

a. the u. s government is not doing enough to protect the world's environment
b hundreds of thousands of animals die each year as a result of environmental pollution
c. the first earth day was celebrated in 1970 to promote environmental protection
d. countries around the world have signed treaties promising to reduce their pollution levels

a) The U.S government is not doing enough to protect the world's environment.

hope this helps!

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

there were 6 major base camps.   the base camps were located in alva, fort reno, fort sill, the madill provisional internment camp headquarters, mcalester and camp gruber.