Tar allows a. carcinogens to attack the immune system b. carcinogens to stick to pulmonary cells c. carcinogens to multiply in the liver d. all of the above

For their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest

What is the difference between an igneous, sedimentary and metamorphic rock

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?