Answer:
A/D
Explanation:
D, Fertilizers put more sulfur in the ground than their should be.
A, fossil fuels, could also be the answer. When we combust fossil fuels we release the sulfur in them into the atmosphere when they should not be in the air.
I cant understand this question. Can u help?
9 organs
Thymus
Spleen
Appendix
Bone marrow
Lymph Nodes
Tonsils
Adenoids
Lymphatic Vessels
Peyer's Patches
Hope this helps :)
