Which of the Following Is True

question 32

Multiple Choice

Which of the following is true?

• A) An endothermic reaction is one that gives off heat.
• B) An endothermic reaction is one that absorbs heat.
• C) An endothermic reaction is one that both gives off heat and absorbs heat.
• D) An endothermic reaction is one that neither gives off heat nor absorbs heat.

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Definitions:

Pericycle

A layer of cells just inside the endodermis in plant roots, which can give rise to lateral roots, contributing to the plant's growth and development.

Illuviation

The deposition of material leached from the upper layers of soil into the lower layers.

Dissolved Materials

Substances that are mixed uniformly at the molecular level in a solvent, forming a solution.

Root Cortex

The layer of plant tissue between the epidermis and the vascular cylinder in roots, important for storage and transport of nutrients.