LOL PLEASE HELP ASAP IM BEING TIMED A scientist is examining a single-celled organism that is often found in the human body; some examples of this organism are helpful and some are harmful to humans. What kingdom does this organism belong to?

Archaebacteria

Protista

Eubacteria

Animalia

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %