Why do dogs get so excited when you come home reddit?

What arrow on the map points to an air mass moving toward a cold front

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Donde se encuentra el adn nuclear en un organismo eucariota?