One Day a Human Being Will Land on Mars $\times$ 10²³ kg

question 29

Multiple Choice

One day a human being will land on Mars.Mars has a diameter of 6786 km and a mass of 6.42 $\times$ 10²³ kg.If you weighed 834 N on Earth,how much would you weigh on Mars?

• A)1270 N
• B)316 N
• C)224 N
• D)834 N
• E)None of the above

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Definitions:

Guard Cells

Specialized cell pairs that flank stomatal pores on plant leaves, regulating the opening and closing of the pores to control gas exchange and water loss.

Casparian Strip

A band of cell wall material found in plant roots that is impervious to water and solutes, ensuring that all materials pass through a cell membrane before entering the plant.

Endodermal Cells

Cells that form the endoderm, the innermost layer of the embryo, giving rise to the lining of the digestive and respiratory tracts.

Mycorrhizal Relationship

A symbiotic association between a fungus and the roots of a vascular host plant, improving nutrient and water uptake.