What is most likely to happen on the International Space Station? another space race between 16 countries

an experiment to study the growth of cells in space

an orbit of Jupiter

a safe landing of the station on Earth

Which question did the author of how to grow a school garden consider about the audience before writing the project plan

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?

Arow of elements on the periodic table is called an