Ahuman activity that could significantly decrease
the amount of carbon dioxide in the air is
(1) increasing the use of fossil fuel
(2) controlling insect pests that eat stored grain
(3) burning garbage and trash to generate
electricity
(4) preserving and expanding forest habitats that
shelter wildlife

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils