Which term is specifically describe small chunks of rocks and debris in space that travels through the earth atmosphere and hits its surface

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.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome