PLEASE HELP :) Based on the data in the table in part C, what effect does decreasing the temperature from 4°C to 0°C have on the sample’s density?

Why do we perceive objects as retaining their brightness under different lighting levels?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Excess nitrogen can lead to a algal blooms and the death of fish. which characteristic of nitrogen causes this problem?