A sample of Carbon-14 originally contained 100 g. After three half-lives have passed, how much Carbon-14 is left?

What type of competition exsist between two species. turtles and fish

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo