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The "Big bang theory" explains the origins of universe. Before there could be life on Earth, there required to be a planet and universe to consist of that life. Edwin Hubble discovered that the universe is expanding. From this rate of expansion, scientists were able to find that the universe started from a single point of compressed gasses 15 billion years ago. The explosion of that point of compressed gas outward is "Big bang theory". From that explosion stars were formed and over time space debris and eventually planets
The "Primordial soup" includes the mixture of elements and gases which are thought to have started life on the Earth.
Specify where did the gases and elements come from?
How can you infer what type of volcano erupted in a given area based on type of volcanic deposits now found as layers of rock. What abnormality may underlie those conditions.
In mid afternoon, they are on it's under surface, each caterpillar hanging by a few legs. Offer a hypothesis to explain this behaviour. How would you test it.
Martha is maintaining her current weight by eating 2,500 kcalories per day. To lose 1 pound of fat per week, she would have to decrease her intake to how several kcalories per day. Considering the albedo of various surfaces how might temperatures var..
Utilize darwin's theory of evolution by natural selection to explain how a group of ancient mammals couple be the ancestors of a major new group of mammals, the cetaceans.
Which of the follow statements regarding cancer risk factors is false. Mutagens are generally not carcinogens.
Describe the reason behind the difference in the physical properties of methane and methanol. Consider the lifestyle in a monastery, how does chant reflect life in the middle Ages.
How does inefficient transfer of energy among trophic levels result in the typically high endangerment status of many top predators.
Complete a chart by identifying six actions that reduce the risk of infection and strengthen the body's immune system. In the second column, explain how the action reduces risk of infection and strengthens the body's immune system.
Structure and based analysis of proteins
The man married with a woman whose sister had galactosemia. The woman is now pregnant with their first child. What is the possibility that this child will have galactosemia.
A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which chemicals would be the best subject for such an assay.
What offspring phenotypes would you expect from mating between a 15-cm and 30-cm pig. How many pairs of genes are regulating the tail length character? (Hint: count the phentotypic classes, or find out the sum of the ratios of the classes)
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