According to the diagram shown on the right, how does energy flow in an ecosystem? a. energy flows from producers to the sun and from producers to consumers. b energy flows directly from the sun to both producers and consumers. c energy flows from consumers toward producers and the sun. d energy flows from the sun through producers to consumers.

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Which changes of state do the labels represent? a: b: c:

What are atoms of the same element with varying number of neutrons