In pulley system a, the end of the rope must be pulled 10 cm downward in order to raise the weight 10 cm upward. In pulley system b, the end of the rope must be pulled 20 cm downward in order to raise the weight 10 cm upward. What is the mechanical advantage for each pulley system?.

Break down of rocks and minerals into smaller particles without a change in composition is called_

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

What's the best strategy for avoiding atm fees? only use atms close to your house only use atms to withdraw cash only use atms in your bank’s network only use atms you have used before