Answer:
Lake Victoria has a variety of environments such as rocky shores and muddy bottoms; this environment heterogeneity promotes speciation.
Explanation:
the diversity assists marjorly
Yep
Explanation:
Because running water moves objects with a low enough mass.
18
Explanation:
B is the vertex angle of isosceles triangle. So AB = BC and base side is AC.
As AB = BC
So,
5
x
−
28
=
2
x
+
11
5
x
−
2
x
=
28
+
11
3
x
=
39
x
=
39
3
=
13
AC =
x
+
5
= 13 + 5 = 18