What is this plant tissue?

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

What element is able to combine with itself and hydrogen to form large molecules ?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above