A student wishes to measure the speed of a toy car at the bottom of an inclined plane. Which information is needed to calculate speed? O A the mass of the car and the height of the inclined plane the friction of the surface of the inclined plane and the mass of the car the length of the inclined plane and the time for the car to descend the inclined plane the length of the car and the time for the car to descend the inclined plane

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water