Answer the following question given this paragraph: Weather is always changing. One day might be cold and cloudy. The next day might be warm and sunny. Even on the same day, the weather can change a lot. A beautiful morning might be followed by a stormy afternoon. Why does weather change? The main reason is moving air masses. Q: What is the main reason for weather change? Choices: - climate change - moving energy masses - seasons - moving air masses A:
moving air masses
Answer the following question given this paragraph: Not only salt, but many other solutes can dissolve in water. In fact, so many solutes can dissolve in water that water has been called the universal solvent. Even rocks can dissolve in water, which explains the cave that opened this article. A solute that can dissolve in a given solvent, such as water, is said to be soluble in that solvent. Conversely, a solute that cannot dissolve in a given solvent is said to be insoluble in that solvent. Q: What liquid is referred to as the "universal solvent"? Choices: - bromine - gasoline - blood - water A:
water
Q: Answer the following question given this paragraph: Q: What is occasional chest pain known as? Choices: - cardiac arrest - arrhythmia - heart murmur - angina pectoris A:
A: angina pectoris
Question: Answer the following question given this paragraph: The hypothalamus also produces hormones that directly regulate body processes. For example, it produces antidiuretic hormone. This hormone travels to the kidneys and stimulates them to conserve water by producing more concentrated urine. Q: What produces hormones that directly regulate body processes? Choices: - hippocampus - lymph glands - pancreas - hypothalamus A:
Answer: hypothalamus
*Question*
Answer the following question given this paragraph: Each human somatic cell (a body cell, or every cell other than a gamete) normally has two sets of chromosomes, one set inherited from each parent. These cells are said to have a diploid number of chromosomes. Each set contains 23 chromosomes, for a total of 46 chromosomes. Each chromosome differs in size, from about 250 million nucleotide pairs on the largest chromosome (chromosome #1) to less than 50 million nucleotide pairs on chromosome #22. Each chromosome contains a specific set of genes, as well as regulatory elements and other nucleotide sequences, making each chromosome essential to survival. Q: How many sets of chromosomes does each somatic cell have? Choices: - one - four - six - two A:
**Answer**
two
Answer the following question given this paragraph: Figure 5.10 The sun emits energy in the form of electromagnetic radiation. This radiation exists in different wavelengths, each of which has its own characteristic energy. Visible light is one type of energy emitted from the sun. Q: The sun emits energy in the form of what? Choices: - mechanical radiation - particles radiation - microwave radiation - electromagnetic radiation A:
electromagnetic radiation