In laboratory, your ta makes a statement about the toxicity of the fumes of a reaction. what does the term toxicity mean?

a. the sum of adverse effects resulting from exposure to a material, normally by the mouth, skin, or respiratory tract.
b. a substance or agent that can interfere with normal embryonic development.
c. a substance or agent capable of causing or producing cancer in mammals.
d. the dose found to be lethal in 50 percent of a group of test animals when administered by the specified route.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa