Answer:
HIV/AIDS
HIV is a disease in the blood
nothing else
it is majorly caused through unprotected sex
there are other factors tho.
But it can be transmitted in blood transfusion
it is in the blood cells
Multi-cellular Heterotrophs
Animals have more than one cell and can't produce their own food
Answer:
D. A periodic warming of sea surface temperatur
e.
Explanation:
Loggerhead turtles and Humboldt squids normally lives in the south coast of Mexican. These animals are sensitive to temperature. Due to warming waters during El Niño events, these animals migrated toward the North (coast of California).
PS: In the tropical eastern Pacific, if the sea temperatures rise 0.5 °C above the long-term average, the condition is declared as El Niño.
Answer:
The geologic time scale is an important tool used to portray the history of the Earth—a standard timeline used to describe the age of rocks and fossils, and the events that formed them. It spans Earth's entire history and is separated into four principle divisions.
Explanation: