Darwin believed that emotional expressions began as that came to have evolutionary value because they physiological reactions; convey emotional states to other members of the species physiological reactions; increased the efficiency of bodily reactions communication devices; increased the efficiency of bodily reactions random mutations; convey expectations to other members of the species

Which group of islands is called the land of fire and is located at the southern tip of south america

The u. s. intervened in korea and vietnam to stop the spread of

Jackie went to the grocery store to pick up yogurt, bread, and apples. first, she picked up a hand basket for carrying her groceries, and then she searched the store. after finding what she needed, she stood in a check-out line. then, the cashier put her items in a plastic bag, and soon after, jackie left the store. as readers of this event, we understand that jackie paid for the groceries, even though it wasn't mentioned, because we are relying on a grocery store