The purpose of the pin-indexing system for compressed gas cylinders is to: select one: a. you determine what type of oxygen regulator to use. b. ensure that the correct regulator is used for the cylinder. c. prevent destroying or stripping the threads on the cylinder. d. reduce the cylinder pressure to a safe and more useful range.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.