Heated air inside a hot air balloon causes it to rise into the sky. When the air cools, the balloon returns to the ground. When is the hot air balloon behaving like an air mass in a high pressure area? in a low pressure area?

3.6 Of the three possible modes by which a cutting tool can fail during a machining operation, which one is most preferable: (a) fracture failure, (b) gradual wear, or (c) temperature failure

13 The skin is the first line of defense in preventing penetration by infectious agents. However, the skin can be bypassed. Which of the following scenarios allows an infectious agent to enter the body without damaging the skin?

Which organelle packages substances for export from the cell and also for the plasma membrane?

Taya observed a plant that is small and grows close to the ground because it does not have the transport structures required to grow taller. Which plant phylum did this plant most likely belong to? conifers ferns mosses flowering plants

Which of these happens when translation takes place

Why might a scientist studying evolution be interesting in howthe environment has changed over time

Idenity the process that occurs within the sun that converts mass into large amount of Energy

A nurse is caring for a client with hyperthyroidism. which laboratory test will be most beneficial in monitoring the effectiveness of drug therapy?

Soil can take hundreds of years to form. Soil's formation rate depends on rock type, climate, and the presence of organisms. Is fertile soil a renewable or nonrenewable resource? Use evidence and scientific reasoning to support your claim. Pg.

Why is it important scientists haven't identified a lokiarchaeota cell yet