Jika Kita ingin memasuki gua yang dalam ,Kita digalakkan untuk membawa obor api selain lampu suluh sebagai penunjuk kehadiran oksigen. Apakah kelebihan menggunakan obor di dalam gua?​

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Which nutritional supplement is correctly paired with the health issue it addresses? which nutritional supplement is correctly paired with the health issue it addresses? vitamin c supplementation prevent depression. calcium supplementation increases iq. vitamin e supplementation prevent birth defects. vitamin b12 can vegans maintain health?