Seekor burung bermassa 0,25 kg sedang terbang di ketinggian 50 m. Jika percepatan gravitasi di tempat itu 10 N/kg, energi potensial burung saat itu adalah ​

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.

What are simmilarities and differences between anaerobic respiration in animal and yeast cells? would prefer to get simmilarities as i already got some differences. you!

What happens to the average kinetic energy of water molecules as water freezes?