Question

what symbol on a weather map represents a cold front? *
red line with semicircles
blue line with semicircles
blue line with triangles
red line with triangles

which of the following is considered a renewable resource? *
coal
geothermal energy
uranium
natural gas

what determines the ultimate fate of a star? *
its distance from earth
its initial mass
its rotational speed
its color

what is the main concern regarding the current rate of fossil fuel consumption?
fossil fuels are becoming more abundant
fossil fuels are being consumed faster than they can be naturally replenishe

Explanation:

First Question (Weather Map Symbol for Cold Front)

To determine the symbol for a cold front on a weather map, we recall meteorological conventions: cold fronts are represented by a blue line with triangles (the triangles point in the direction the front is moving). Warm fronts use red lines with semicircles, and the other options mix up colors/shapes incorrectly.

Renewable resources are naturally replenished. Coal, uranium, and natural gas are non - renewable (fossil fuels or finite in supply). Geothermal energy is derived from Earth's internal heat, which is renewable.

A star's ultimate fate (like becoming a white dwarf, neutron star, or black hole) is determined by its initial mass. Distance from Earth, rotational speed, and color do not determine its final state.

Answer:

C. Blue line with triangles (assuming the options are labeled A - D as: A. Red line with semicircles, B. Blue line with semicircles, C. Blue line with triangles, D. Red line with triangles)

Second Question (Renewable Resource)