Question 3 The use of fertilizers in agriculture has significantly altered several nutrient cycles

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.