Question

ajJaAnswer with explanation


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Answer 1

Step-by-step explanation:

The answer is 4

Steps:

$3 - (4 + 6) + 5 - 6 \\ 3 - 4 - 6 + 5 - 6 \\ 18 - 15$

Answer 2

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.