Can someone tell me what these symbols mean or what does it say

Deshawn is writing an informative essay about volcanoes. he has gathered facts and written a thesis statement. read his thesis below: a volcano eruption impacts the environment in a number of ways, from covering everything in ash to destroying the landscape. based on this thesis, how should deshawn organize his essay? ? a. he should use cause/effect, writing one paragraph that explains the link between the cause of a volcano and its effects. b. he should use comparison/contrast, writing one body paragraph describing how volcanoes impact the environment and one paragraph describing how earthquakes impact the environment. c. he should use comparison/contrast, writing one body paragraph looking at the similarities between the effects of ash and the destruction of the landscape, and one paragraph explaining the differences. d. he should use cause/effect, writing one paragraph that explains how volcanoes create ash and destruction, and one paragraph explaining each of the volcano’s effects, the ash and the destruction of landscape, in detail.

Atrajectory has an initial velocity of 1,000 meters per second, and 5 seconds later, it has a velocity of 500 meters per second. which is the acceleration of the trajectory?

In the reggio emilia approach, what method is used to assess children's learning