Answer:
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.The absorbed energy warms the atmosphere and the surface of the Earth.
Explanation:
The placenta is delivered after the fetus.
Which is a goal-setting step?
Develop an action plan.
From 1918-1919 it is the deadliest in modern history it infected 500 million people world wide about 1/3 of the population at the time and killed 20 million to 50 million people
Answer: The first one
Explanation:
Scientists were able to identify the causes of some illness, like tiny bacteria or viruses.