How can astronomers use rocks from the moon to estimate the age of the solar system?

50 things that use electricity

What type of resource is Sunlight? A. Recyclable only B. Renewable only C. Non Renewable only D. Recyclable and Renewable

With respect to angiosperms, which of the following is incorrectly paired with its chromosome count? a. egg-n b. megaspore-2n. c. microspore-n d. zygote-2n

Crossing over would most likely occur during which stage of the cell cycle? when DNA is being replicated when homologous chromosomes line up in pairs when centromeres are separated when cytokinesis begins

What is the microclimate of a hilltop like?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time