Soil Science

You fill a 5 gallon pail with backyard soil. Assuming a bulk density of 1.3 g/cm^3, what is the total soil weight?

Carbon dioxide in the atmosphere traps heat and warms the air, just as clear glass does in the greenhouse.

Carbon dioxide in the atmosphere traps heat and warms the air, just as clear glass does in the greenhouse. Scientific evidence indicates that the carbon dioxide added to the air by the burning of wood and fossil fuels is contributing to the rise in global temperature. Tropical rain forests are estimated to be responsible for mor ...continues

Enzyme and Endocrine Disruptor Clarifications

Which of these apply to Enzymes A. The majority of chemical reactions in our bodies do not require enzymes. B. Enzymes are functional proteins C. Enzymes get used up as part of a reaction D. Cyto chrome P-450 is an example of an enzyme that helps to oxidize chemicals in the body. E. Biotransformation of toxins could not o ...continues

Death from cancer

A Radiology Tech, died of cancer believed to be caused by many years of exposure to radiation. Death due to Cancer is seen to be at much higher risks for certain occupations. Could the cancer been caused by some other agent/s? Being specific in your own words

Describe the Industrial Revolution. How has it impacted the environment and the way that humans use natural resources?

Unit 1 Individual Project Deliverable Length: 2-3 pages Details: Answer the following questions in a 2-3-page essay using authoritative references. Describe the Industrial Revolution. How has it impacted the environment and the way that humans use natural resources? What triggered the Environmental Revolution? When did ...continues

Ecosystems can change over time in a process known as natural succession.

Unit 1 Discussion Board Deliverable Length: 2-3 paragraphs Details: Ecosystems can change over time in a process known as natural succession. When an ecosystem is disturbed, both the physical (abiotic) and living (biotic) characteristics may be altered. Disturbances may be natural (e.g., a fire started by lightning) or anthr ...continues

Ranching, its problems, and conservation of environment:

The process of ranching, the adverse effects caused due to ranching on the environment, solutions to reduce the adverse effects of ranching with a discussion regarding the utilization of new technology which renders raching more environmental friendly in nature.

Cellular Respiration and Photosynthesis Co-exist as Paired Metabolic Processes

Part 1: Fill out the following table to compare and contrast Photosynthesis and Aerobic Cellular Respiration. Photosynthesis Aerobic Cellular Respiration Full balanced equation Reactants Products Is this reaction endergonic or exergonic? State which one it is. Energy source used Cell organelles invol ...continues

Compare and contrast Photosynthesis and Aerobic Cellular Respiration.

I need the basic difference between these processes.

I need help to create a food web diagram in which I illustrate the energy flow among the organisms of a food chain within a particular ecosystem. Then, determine the interdependency of life of desert biome by examining the organisms found.

In the diagram, include the following items: a. List the different kinds of organisms that can be found in your selected ecosystem. b. Identify the structure and function of the main organs in at least two of the organisms found in your selected ecosystem, and indicate why they are best suited for that environmen ...continues