And ... of
in air.
for health
d) Plants and animals maintain the balance
(e) Polluted air is
i The supporter of combustion in air is
to
(8)
Green plants need ...
prepare food
of the
(h) Oxygen is used in
food to get ...
(i) Aquatic plants and animals use
in water.​

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.