Answer:
A) Light pollution both attracts and repels migratory birds
In addition to the many hazards that exist in urban areas, cities typically lack the food resources and cover that birds need during migration or when raising their young. ... Darkening skies at night during migration season makes it easier for birds to navigate.
Explanation:
Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food. It occurs mainly in the northern hemisphere, where birds are funneled on to specific routes by natural barriers such as the Mediterranean Sea or the Caribbean Sea.
<span>A mineral that contains a useful substance or element, such as iron or aluminum, is an ore. Like gold or silver. Hope this helps!!!!! Please mark brainiest. </span>
Answer:
When a cyclic AMP is dissolved in water it loses its bond between its P atom and its main aromatic ring. In the pictures attached, is shown in red the bond that's lost. The cyclic AMP is a messenger involved in many biological processes.
Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat or capsid, sometimes enclosed within a membrane. The capsid encloses either DNA or RNA which codes for the virus elements
