The answer for the above question is Thoracic duct.
Lymph is a clear to white fluid made of; white blood cells, especially lymphocytes, the cells that attack bacteria in the blood. It also contains a variety of substances including proteins, salts, glucose, fats, water from the blood. Unlike blood it lacks red blood cells.
Mumbling- slurring words together at a very low level of volume and pitch so that they are barely audible.
A is a possible answer as it refers to an increase of temperature; this is what global warming is (the raise of earth’s temperature)
Food availability, space, water, and environmental conditions