This diagram is a model of a
muscular system.
Which statements are true about muscles?
Each muscle is made up of one muscle cell.
Muscles can be attached to bones or to an exoskeleton,
Strong animals have muscles, and weak animals do not.
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when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

the fossil record provides evidence of a common ancestor to many species.