Which of the following is an example of governments role in promoting social standards? a: delivering mail b: operating a lottery c: restricting gambling d: taxing education (if u could that would be awesome! )

For 50 pointsfredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. which of the following groups of items should she bring? a. a lightning bug, a plug of grass, and a wormb. a smooth rock, some red dirt, and an empty bird's nestc. a ladybug, a spider, and some water from a mud puddled. a caterpillar, a pine cone, and a piece of a robin's egg

Restricting immigrants from entering a country may be based on what belief?  

What do you know about harriet tubman?