Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? Air quality data gathered by new instruments can be used to reduce exposure to pollutants. New technologies enable natural and human-made pollution sources to be located and monitored. New technologies allow governments to make informed decisions about the regulation of pollution. Air quality data gathered by new instruments can be used to predict trends in pollution over time.

Dawn mistakenly took a multivitamin intended for men that contains 90 mg of vitamin c (or 100% of the vitamin c rda for men). if the multivitamin was dawn’s only source of vitamin c for the day, what percentage of the women’s vitamin c rda did she consume? a. 52% b.83% c.100% d.120%

Match each law or principle to its description. 1. law of original horizontality sediment continues to spread in a flat plane until it hits an edge or runs out of material. 2. law of superposition the youngest strata are at the top and the oldest are at the bottom. 3. law of original lateral continuity sediment gets pulled down by gravity in a horizontal and flat layer. 4. law of cross-cutting or intrusive relationships if there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.

The presence of iron oxides in rocks, formed during a specific time period, can be used as evidence of oxygen in the atmosphere during that time period. question 18 options: true false