Which of the following is a correct description of the earth’s physical structure? a. the earth’s physical structure is made of liquid metal. c. the earth’s physical structure is made of water. b. the earth’s physical structure is made of several spheres. d. the earth’s physical structure is made of several layers.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

Ray lo bisects nlm, lm=18, no=4, and ln=10. what is the value of x?

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?