The elements of which group are nonreactive?

halogens

alkaline

earth metals

noble gasses

alkali metals

Will mark brainliest Describe how you would separate these mixtures: a. gravel and water mixture b. salt and water mixture

Liz is examing a plant cell under a Microscope she seems many small green oranganelles inside the cell

Which of the following is a characteristic of durable scientific knowledge? A - It remains unchanged over time. B - It is rarely subjected to examination. C - Several scientists' investigations support it.

Most of the energy from a lower trophic level is converted to mass. energy. heat. height.

Explain why some partly materials rises towards earths surface.

When you measure something in meters cubed, you are measuring

Low density: low pressure: high density Is which. evaporation? water vapor? condensation / liquid water

Which structures are found on sponges? pores medusae polyps stinging cells

Coefficients in a chemical equation are used to: balance the number of atoms on both sides of the equation ensure that all subscripts on both sides of the equation are the same indicate energy changes that occur during the reaction indicate the type

What determines your blood cholesterol level?