21. Atomic theory timeline: Use the names of atomic theories in the word tank to complete the time line about atomic theory. Put the letter in the bank under the year it goes with
A Thomson's Model 3. Modem Model of an Atom C. Dolton's Model 0. Bo's Modes
E. Rutherford's Moctel
1. Democntus
6. Cloud Model
1
1913
1913
1920
1932
430 BCE
1897
1800

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?