From our understanding of human immunity which of the following adaptive cells likely will destroy lung respiratory epithelium cells that have been high jacked by the SARS-COV2 virus ? A : cytotoxic t-lym
B: neutrophils
C: dendritic cells
D: b-lymphocytes

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils