Instead of riding his bike, a college student drives to class every day. he also drives to the store, to friends' houses, and everywhere else. every time he fills up his tank, a little bit of gasoline drips to the ground. the car's exhaust contains nitrogen oxides, which contribute to nitrogen levels in nearby water bodies. what two types of pollution are demonstrated in this real world example?

group of answer choices

toxic

sediment

nutrient

bacterial

Modern whales developed their traits through natural selection what occurs during the process of natural selection

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

When ash and dust begin to settle on the ground, they eventually become compacted by