Prior to 1700, climate change could be explained by the effects of natural pollution sources such as: Changes in solar output

Wildfires

Volcanoes

All are correct

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.