What are freshwater ecosystems with high biodiversity that are also declining in numbers
a. lakes
b. oceans
c. wetlands
d. rivers

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy