Differences between ephyra of Aurelia and Medusa of Obelia

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated