Is calcium carbonate soluble or insoluble
admin Is calcium carbonate soluble or insoluble The correct answer and explanation is: Calcium carbonate (CaCO₃) is insoluble in water. While it is a common compound found in nature in the…
Quiz
Which of the following is an example of a positive economic statement
Which of the following is an example of a positive economic statement? The correct answer and explanation is: A positive economic statement is one that can be tested, measured, or…
Which of the following is a positive economic statement
Which of the following is a positive economic statement? The correct answer and explanation is: A positive economic statement is one that describes the world as it is, based on…
How many valence electrons surround the arsenic atom in arsenic pentafluoride
How many valence electrons surround the arsenic atom in arsenic pentafluoride The correct answer and explanation is: Arsenic pentafluoride (AsF₅) consists of one arsenic (As) atom and five fluorine (F)…
How does it benefit a plant to have multiple types of pigment
How does it benefit a plant to have multiple types of pigment? The correct answer and explanation is: Plants contain a variety of pigments, each playing a key role in…
If a coronary angiogram (a scan that shows blood flow) revealed that the left anterior descending artery was 95% blocked
If a coronary angiogram (a scan that shows blood flow) revealed that the left anterior descending artery was 95% blocked, what procedure might a cardiologist recommend? The correct answer and…
A rugby player with a mass of 60.0 kg is running to the right at a speed of 5.50 m/s toward another player of mass 94.0 kg, who is running in the opposite direction at a speed of 5.20 m/s
A rugby player with a mass of 60.0 kg is running to the right at a speed of 5.50 m/s toward another player of mass 94.0 kg, who is running…
What protein holds the sister chromatids together
What protein holds the sister chromatids together? During mitosis how are the sister chromatids separated? include the names of proteins involved and how the proteins mediate these two processes The…
Where is the Sahara Desert located on the map of Africa
Where is the Sahara Desert located on the map of Africa? The correct answer and explanation is: The Sahara Desert is located in the northern part of Africa. It stretches…
If the universe continues doing what astronomers observed in the 1990s
If the universe continues doing what astronomers observed in the 1990s, what could happen? A It could crash back down into a big crunch and repeat. B It will become…