Answer:
The answer would be D unique life-forms because it's the only one that makes sense.
Can you translate this to English and maybe I can help?
True. If you are in a trench, you are literally sitting in a hole in the dirt for hours on end; sometimes keeping watch, sometimes in the heat of battle. If you get injured, there are tons of diseases in the dirt and from humans just sitting in that hole for large amounts of time, usually without showering for days or weeks (depending on where you are and the resources available). Injury, you could get shot in the shoulder while firing, or someone could throw an active grenade into the trench and, well, it wouldn't end well. Mud-- you're sitting in a hole, in the dirt. If it rains, you are now sitting in a wet hole in the dirt, and dedication to your country--or flying bullets--is keeping you there.
Answer:
<h2>Hinduism and Islam</h2>
The word Hindu is an exonym, and while Hinduism has been called the oldest religion in the world, many practitioners refer to their religion as Sanātana Dharma (Sanskrit: सनातन धर्म: "the Eternal Way"), which refers to the idea that its origins lie beyond human history, as revealed in the Hindu texts.
Explanation:
Hope it is helpful...