What is the basic unit of matter a. atomb. bacteriumc. celld. molecule

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.