Which of the following is NOT part of erosion? A. mechanical weathering

B. wind

C. water

D. ice

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

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?

Soil is made of air water organic material minerals weathered rock