What type of materials/mediums gerhard richter use project

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.

An eighth-grade teacher has asked you to present information to her students about how watching television can affect adolescents’ academics and behavior. what important information should you share with this audience? write an essay that will serve as the basis for the speech you will deliver to the students. include important details from the selection "television and adolescents" to support your discussion.

Afruit fly is heterozygous for both eye color and wing length (eeww). e is dominant for yellow eyes. e is recessive for white eyes. w is dominant for long wings. w is recessive for short wings. what would most likely be the distribution of phenotypes that this fruit fly could pass on in its gametes?