Many cities contain green areas, such as the park shown in the image below. How do such roadless areas make a city more sustainable?

Which of the following is a feature of all cells? o a. all cells have a nucleus. o b. all cells have dna for at least part of their life cycle. het . o c. all cells are spheres. o d. all cells have a rigid cell wall.

Which sets of mrna codons could genetically come for a protein with the following amino acid composition

What will happen to the amount of food available as a pondwater ecosystem ages