What is the tension of the string if it would hold 2.8 kg

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

What are the applications of electromagnetic waves

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.