Q: The periodic table of the elements is systematically organized according to the OPTIONS:
- rate at which the elements chemically react.
- hardness of the elements.
- structure of the atoms of the elements.
- radioactivity of the atoms of the elements.
A: structure of the atoms of the elements.

Which organisms benefit in the relationship between bees and flowering plants?
OPTIONS:
- only the bees
- only the flowering plants
- both the bees and the flowering plants
- neither the bees nor the flowering plants

both the bees and the flowering plants

Q: Which gravitational pull has the greatest influence on Earth's tides? ---- OPTIONS:
- the gravitational pull between Earth and the Moon
- the gravitational pull between Earth and the Sun
- the gravitational pull between Earth and Jupiter
- the gravitational pull between Earth and Mars

A: the gravitational pull between Earth and the Moon

The gravitational force between two objects depends on the distance between the objects and each object's
===
OPTIONS:
- mass
- volume
- pressure
- temperature

mass

Question:
What is the first step in designing a product?
OPTIONS:
- model a solution
- communicate the solution
- identify the need or want
- build a prototype
Answer:
identify the need or want

[Q]: Earth's core is primarily composed of which of the following materials?
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OPTIONS:
- basalt
- iron
- magma
- quartz
****
[A]:
iron