Final answer:
Ammunition is somewhat resistant to environmental factors but exposure to water and solvents can compromise its functionality by affecting the primer and powder, leading to potential misfires or failure.
Step-by-step explanation:
The statement that ammunition is very durable and will function properly after being exposed to water and solvents is partially true. While modern ammunition is designed to be somewhat resistant to environmental factors, its integrity can be compromised when exposed to water, solvents, or excessive moisture for prolonged periods. The key components of ammunition, which are the primer and the powder, must remain dry to function reliably. Water exposure can cause corrosion of the casing, as well as degradation or neutralization of the powder and primer, leading to misfires or complete failure to fire. Solvents can similarly affect the ammunition's functionality, particularly if they come into contact with the primer or powder.