Is anyone here good with DNA and Punnett squares in biology? I really need some help. NO LINKS! After you help me, I'll do a question worth 100 points and give you brainliest!

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance