I Believe The Answer Is B. Physical Weathering.
Answer:
Independent Variable:
temperature
dependent variable:
chirps
Hypothesis:
the lower the temperatures the less chirps
constants:
temperature or food and water
repeated trails:
success and failure
control:the experiment
-Homologous structures in different organisms
Answer:
C. Ethanol, ammonium chloride, phosphate buffer, magnesium sulfate, calcium chloride, trace elements
Explanation:
Acetobacter must have a sufficient supply of oxygen and cannot grow in its absence. Colonies of acetobacter can be detected by a culture media containing ethanol as carbon source, the acid produce by the bacteria will dissolve the chalk thereby leaving a clear zone around the colony.
Xigris (Drotrecogin alfa) is not an antibiotic but is approved for the specific indication of sepsis because of its anticoagulant properties.
Xigris (Drotrecogin alfa) is a drug approved by the Food and Drug Administration for the reduction of mortality in adult patients with severe sepsis who have a high risk of death. Xigris (Drotrecogin alfa) is placed under the class of serine proteases and it has anticoagulant, anti-thrombotic, anti-inflammatory, and profibrinolytic properties.