Hello!
A aquifer<span> names an underground area that collects and holds a large amount of water.
I know this because an aquifer collects water.
~ Hope I helped! ~
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<span>1. c) Exposure would weaken the body’s immune system and leave it unable to fight future infections.
</span>2. <span>c) Excess amounts are removed by the kidneys and excreted along with urine.</span>
The water cycle is the correct answer, the water evaporates, then condenses into clouds, and turns into rain and precipitation occurs.
Lead I believe would be the heaviest because gold is relatively light