Although China provided access to scarce resources, why did communes fail to improve productivity?

A. Resources remained insufficient to promote growth.
B. The program disrupted ancient land ownership patterns.
C. People worked more efficiently for themselves.
D. Infrastructure was designed to serve individual farms.
E. Coordinated crop rotation became difficult.

Complete the activity titled "comparative urban environments." every city is shaped by different cultural forces. in one to two paragraphs, contrast the culture of two different cities from this activity: new york and buenos aires. what makes these cities stand apart from each other culturally? what is unique about each city’s attitude, language, habits, foods, or architecture?

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?