Q: Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what? Choices: - extra selection - multiplying selection - shedding selection - diversifying selection A:
diversifying selection

(Question)
Q: What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts? Choices: - Glue - Tape - screws - electromagnets A:
(Answer)
electromagnets

Ques: Q: The diatoms are unicellular photosynthetic protists that encase themselves in intricately patterned, glassy cell walls composed of silicon dioxide in a matrix of organic particles. these protists are a component of freshwater and these? Choices: - waste plankton - land plankton - source plankton - marine plankton A:
Ans: marine plankton

(Q).
Q: What type of chloride is a non-volatile material, but does not dissolve in water? Choices: - pink chloride - yellow chloride - lead chloride - silver chloride A:
(A).
silver chloride

Ques:Q: The volume of a gas is comprised of about 10% matter. what is the rest? Choices: - open space - instead space - normal space - empty space A:

Ans:empty space

Ques: Q: About how full is the outer energy level in metalloids? Choices: - nearly empty - three-fourth full - a quarter full - half full A:
Ans:
half full