It is A, 3.2 million year old bones. Until now, the oldest fossil skeleton of a human ancestor was the 3.2-million-year-old partial skeleton of Lucy, discovered in the Afar depression of Ethiopia, near Hadar, in 1974 and named Au. afarensis.
Reorganization, or Chapter 11, is meant for <span> commercial enterprises. The correct answers from your choices is letter D.</span>
Answer:
78 percent - nitrogen
21percent- oxygen
absorbs ultraviolet-ozonosphere
atmospheric weather-stratosphere
starts seven miles -troposphere
layer composed 0f layers- thermosphere
important fr radio wave-ionosphrere
trapping of heat- green house effect
Answer:
R. The state of atmosphere at any particular time
Explanation:
Other answers don't seem applicable
