What do most scientists think prevented the rocks in the asteroid belt from forming into a planet

Which of the following is defined as combinations of soil particles that vary in size and shape?

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra