The picture below shows cacti in a desert environment. Cacti are able to store water in their stems because they have sharp spines that keep water in. This is a quality of cacti that is —

A. passed down from its parent cacti.

B. received after living in the desert for a long time.

C. learned after they see they need water to live.

D. taught to the cacti by other cacti.

Which of the following is an oxidation-reduction reaction? (pictured below)

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

As soon as i live in alabama and i have question to me with a report. or rather a statement. the statement i need with: discuss the influence of cost and availability on your states (alabama) statistics. i really need to complete this. so anything will ! 20 points are up for grabs to the most !