Answer:
Because different cells are needed for various things. One single cell cannot do everything by itself.
Explanation:
Answer:
HIV (human immunodeficiency virus) causes AIDS (Autoimmune deficiency syndrome) and reduces the ability of body to fight infection.
HIV was first found in 1959 in a man from Democratic Republic of the Congo and then announced as a world pandemic by WHO.
Approximately 37.9 million people were infected with HIV globally in 2018 but the pandemic statistics vary around the world. Sub-Saharan Africa was most infected region from HIV in 2018 where 61% population was infected from HIV/AIDS. In South & South-East Asia, about 12% of all people infected with HIV in 2010.
Now WHO announced HIV as 'global epidemic".
Answer:
The scientist tested one variable to determine what caused the number of leaves to change.
Explanation:
Answer:
You should visit Kentucky.
Explanation:
Limestone is a sedimentary rock formed from the calcareous remains of dead creatures. Limestone is mostly made of shells and other remains of organisms that have collected over time. These are good conditions for fossilization. Granite, however, is an igneous rock formed from solidification of magma in the Earth's crust. High temperatures and extreme conditions make fossilization unlikely.
As per Georg von Békésy's place theory, the position on the basilar film at which waves achieve their pinnacle relies upon the recurrence of a tone. High frequencies deliver waves that crest close to the shut end and are deciphered as shrill sound, while low-recurrence waves travel more remote, topping at the far end, and are translated as low-pitched.
