The doppler effect indicates that the universe is expanding a. light from other galaxies is the same color b. light from other galaxies is different colors c. light from other galaxies is blue shifted d. light from other galaxies is red shifted

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla