What are 5 things you need in space?

What are 5 things you need in space? Astronauts must have oxygen, food, water, and rest. These needs are usually simple to meet on Earth; to meet these needs in space is very complicated. The gases in space cannot support human life. In fact, most of space contains no gases at all—it is what scientists […]

Do goats scream when giving birth?

Do goats scream when giving birth? Before giving birth, the pregnant goat will breathe heavily and grunt, often for hours. She is restless and looks back at her rear end, and licks anxiously. She may stand up or lie down, or alternate between the two positions. As the kid is delivered, she may scream. How […]

How long have fireflies been around?

How long have fireflies been around? “The estimates we have currently are that fireflies are over 100m years old,” she says. Early in their history, they split into two groups, one of which spread throughout the Americas while the other colonised Europe and Asia. Fireflies all belong to a family of beetles called Lampyridae. What […]

Why is Karl Fischer used?

Why is Karl Fischer used? Karl Fischer titration is a widely used analytical method for quantifying water content in a variety of products. Karl Fischer discovered that this reaction could be modified to be used for the determination of water in a non-aqueous system containing an excess of sulfur dioxide. What does Karl Fischer test […]

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