Oscar is doing research for a report on workplace safety at construction sites. to conduct his research, he’s using keywords on the website of the occupational safety and health administration (osha). which keywords will him find information that’s relevant to his topic? to find information on assistance that osha gives to small businesses, oscar should use the keywords . to expand his search to include osha regulations about demolition and fall prevention, he should use the keywords .

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.