1.) tends to raise co2 levels in the atmosphere, but 2.) tends to lower co2 levels in the atmosphere. 1. a.) carpooling instead of driving alone b.) cutting down trees instead of growing trees c.) reusing an item instead of buying new d.) using energy-efficient cars instead of gas guzzlers 2. a.) driving instead of walking b.) releasing emission instead of storing them c.) throwing food in the trash instead of composting d.) using clean energy sources instead of fossil fuels

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

How does a lytic infection differ from a lysogenic infection?