Heidi and James are carrying loads of trash to the dump. They are walking down the sidewalk, side by side but James begins to lag behind Heidi. Explain what's happening using one of Newton's Laws of Motion.
(1 point)
Responses
Newton's 3rd Law. For every action there is an equal and opposite reaction. James's action is not enough to move as fast as Heidi.
Newton's 3rd Law. For every action there is an equal and opposite reaction. James's action is not enough to move as fast as Heidi.
Newton's 2nd Law. James is pulling the heavier load. He needs a greater force to move as fast as Heidi.
Newton's 2nd Law. James is pulling the heavier load. He needs a greater force to move as fast as Heidi.
Newton's 2nd Law. Heidi and James are pulling the two loads with unequal forces.
Newton's 2nd Law. Heidi and James are pulling the two loads with unequal forces.
Newton's 1st Law. James's wagon and load will not move unless he exerts a force on it.
Newton's 1st Law. James's wagon and load will not move unless he exerts a force on it.
Newton's 2nd Law. James is pulling the heavier load. He needs a greater force to move as fast as Heidi.
Consider the illustration depicting gravitational attraction. You could say it is analogous to the Sun and three planets.
The spheres A - C are attracted to D because
(1 point)
Responses
D is the only body that is not moving in an orbit.
D is the only body that is not moving in an orbit.
D is closest to all three bodies.
D is closest to all three bodies.
of D's position with regard to the other three bodies.
of D's position with regard to the other three bodies.
D is the most massive of the four bodies.
D is closest to all three bodies.
Some plants, like coleus, will wilt completely when water is limited. However, the aloe plant does not typically wilt under the same conditions where water is limited. Which statement best explains the differences in these two plant types?
Coleus; Aloe
(1 point)
Responses
Water availability is an environmental factor that affects plants, but there are genetic factors that affect how plants deal with the water loss.
Water availability is an environmental factor that affects plants, but there are genetic factors that affect how plants deal with the water loss.
Water availability changes the genetics of the plants, causing them to react differently to the water conditions.
Water availability changes the genetics of the plants, causing them to react differently to the water conditions.
Water availability is an environmental factor that affects coleus plants only since aloe plants do not require water.
Water availability is an environmental factor that affects coleus plants only since aloe plants do not require water.
Water availability is a genetic factor that causes the leaves of the plants to move differently in the two plant types.
Water availability is an environmental factor that affects plants, but there are genetic factors that affect how plants deal with the water loss.
Mutations can be beneficial, neutral, or harmful in an organism, changing their fitness in a population. Which of these scenarios model how mutations can be detrimental to an organism? (1 point)
Responses
A school of fish has an individual with increased gill surface for gas exchange.
A school of fish has an individual with increased gill surface for gas exchange.
A clutch of turtles has an individual with a reduced shell hardness.
A clutch of turtles has an individual with a reduced shell hardness.
A litter of six kittens has one kitten that exhibits blue eye color.
A litter of six kittens has one kitten that exhibits blue eye color.
A litter of lion cubs is born with claws that do not retract, allowing faster running speeds.