Why did the samples agglutinate in positive tests? antigens from the patient’s red blood cells did not match the antibodies contained in the serum. antigens from the patient’s red blood cells match the antibodies contained in the serum. antibodies from the patient’s red blood cells matched the antigens contained in the serum. antibodies from the patient’s red blood cells did not match the antigens contained in the serum.

The answer of the options provided would be option B.

plant because they survive by water, sunlight, ex.

explanation:

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.