What is a drawback to using biomass energy? A) burning generates air pollution
B) some biofuels release greenhouse gases like carbon dioxide
C) it uses a lot of land to grow biomass crops
D) habitats can be destroyed when building farms to grow biomass crops
E) all of the above

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?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing