Q: Antigens are found on cancer cells and the cells of transplanted organs, and cancerous melanoma Skin melanoma is one of the most cancerous skin cancers. Given these facts, where can antigens be found among the following options: - Contaminated wounds - the environment - Most plants - our nearest star - Earth orbiting the Sun - Veins and arteries. - an area swollen with pus - skin melanoma cells
A: skin melanoma cells

Q: Using renewable resources to generate power reduces greenhouse gases, and carbon dioxide is a greenhouse gas. Given these facts, what does using renewable resources to generate power reduce among the following options: - lowered energy cost - solar power - climate - evergreen trees - Heat energy - oxygen - carbon dioxide - kinetic energy
A: carbon dioxide

Q: Cartilage is a tough tissue that contains a protein called collagen, and cartilage is composed of fibrous collagen in an amorphous gel. Given these facts, what texture is collagen among the following options: - lmestone - Deposition - white - kalenchoes - a prism - complex - fibrous - homogenous
A: fibrous

Q: Flatworms belong to the phylum Platyhelminthes, and flatworms are bilaterally symmetric. Given these facts, what animal found on Earth would belong to the phylum Platyhelmintes among the following options: - bilaterally symmetrical worms - Something with a head, thorax, and abdomen - remains of prehistoric life - Something that makes plants green - Microscopic organisms - female sex cells - it helps plants in growing - share properties
A: bilaterally symmetrical worms