Is a disease that destroys lymphocytes. a. cancer c. lupus b. arthritis d. hiv

Its hiv that kills lymphocytes im pretty sure

Here are the steps:
Greenhouse effect.
Step 1: Solar radiation reaches the Earth's atmosphere - some of this is reflected back into space. 

Step 2: The rest of the sun's energy is absorbed by the land and the oceans, heating the Earth.

Step 3: Heat radiates from Earth towards space.