If we are not careful one day earth will run out of water? (8-12 sentences)

Sources of electrical energy include what?

Why is it important that alveoli are only one cell layer thick?

What traits are made up of a combination of genes?

Structure creates energy or atp for the cell

How do spermatogenesis and oogenesis differ in terms of the number of gametes they produce? A. Spermatogenesis produces four functioning gametes, and oogenesis produces one large gamete with three polar bodies. B.

What is the green pigment found in the chloroplasts of both plants and algae? A. Chlorophyll B. Protists C. Archegonium D. Bryophyte

Potassium has an atomic number of 19. What is its electron configuration? shells 1 and 2 are full, and shell 3 has nine electrons shells 1, 2 and 3 are full and shell 4 has three electrons shells 1, 2 and 3 are full and shell 4 has one electron

If you find an igneous rock that is made entirely of crystals that can be seen with just your eyes, what type of igneous texture does the rock have?

Which statement best describes the interaction between biotic and abiotic factors? * Abiotic factors depend upon biotic factors for energy. Biotic factors only rely on other biotic factors to grow and survive.

Why are chromosomes visible during mitosis but not at all other times?