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In fact, we operate round-the-clock and are always ready to provide science help students from around the globe. We provide tutoring assistance for all levels of knowledge: The most common tasks our tutors get include: What we could find: An athlete performing a long jump leaves the ground at a A What was the takeoff speed?

If the SUV has a mass of 1, kg, what force must be applied to stop it in 8 seconds? This is a standard dynamics problem that can be solved using equations. Quantitative Methods in Health Care What level of the Ecological Model would a factor such as poor self-esteem fall under? Explain the main impacts of humans on the environment at global scales, use diagrams and concept maps in your answer if that helps.

With reference to the impacts of current and future global warming describe the 3 concepts of danger discussed by Schneider and Lane What are your thoughts on departments such as pharmacy or insurance companies only having access on need to know information? A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on a horizontal surface, requires a 71 N horizontal force to set it He not only helped me with some tricky volume problems, but helped me learn the concepts as well.

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Personalized tutoring Work 1: How do the skeletal and circulatory system work together? Our body is made up of eleven systems that work together to help our bodies function in harmony. These systems, often called organ systems, are made up of various organs within our bodies. Which part of the flower performs a similiar role to the testes in the male reproductive system? The part of a flower that imitates the human male reproductive system is called the stamen, and the part that imitates the testes are the microspores on the anther.

The stamen has two main parts Why are cell membranes said to have selective permeability? Selective permeability refers to the fact that membranes allow only certain substances to pass through and gain entry into the cell. Other materials are not allowed access to the cell, and they are Which particle is most important to the identity of an atom?

There are three main types of particles in atoms: Protons and neutrons are collectively referred to as "nucleons" because they both reside in the nucleus of the One of the earliest atomic models was suggested by John Dalton. Which statement best reflects his The correct answer choice is d: Dalton proposed that atoms are indivisible and indestructible What physical property of a cork allows it to float on water? Density is the physical property that allows a cork to float on water.

Briefly, cork is less dense than the water. In other words, it is lighter than water and, hence, it floats on the water What role should science play in environmental decision-making? Scientists are the experts on environmental issues. Often times, environmental problems are brought into the political arena from the science community. However, the information provided by the Calculate the entropy change for the reaction: The entropy change for the given reaction, involving the manufacturing of ammonia from nitrogen and hydrogen, can be calculated as the difference between the entropy of the products and reactants Is fire a solid, liquid, or gas?

Fire is not a solid, liquid, or gas; rather, it is a chemical reaction called a combustion reaction, or combustion. Combustion happens when there is the right mix of ingredients that work together Who made the first plane? The first successful airplane was invented by Wilbur and Orville Wright, also known as the Wright brothers. Having created a successful glider in , the brothers dedicated their attention to the How do you prepare for and mitigate the damage caused by a tornado? Before a tornado hits, you want to familiarize yourself with emergency warning systems used in your community.

Make note of disaster risks in your area, like damaged household gas lines and poorly What does the bible say about temptation, and how does it relate to stimuli control?

In the book of Corinthians, Saul talks about temptation. He claims that God allows people to face temptations that they can overcome.

According to the Bible, there is always a way of resisting Do you think there is life, intelligent or otherwise, that exists on an exoplanet somewhere in I do think life probably exists on another planet. There are hundreds of billions of planets in the universe, and it seems against all the odds of probability that the Earth is the only one of them What is the name of the structures that pulls a heart valve open and shut?

The heart is a muscular structure whose purpose is to pump blood through the body. The heart valves serve to direct the flow of blood in one direction, and they are made of sheets of connective What is the name of the structures that pull a valve open and shut?

In the most generalized notion of a mechanical valve system, the open and shut operations are controlled by oblong lobes, called cams, that rotate on the axis of a connected shaft, called the What are the types of acceleration?

Acceleration is defined as a rate of change of the velocity of a moving object: When an object moves What is the difference between mitochondria and plastids? A plastid is not necessarily a specific cell organelle in the way that a mitochondrion is. A plastid is a category of organelle.


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