Tutor profile: Alexandra L.
Subject: Basic Chemistry
Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?
Milk is nearly neutral pH but slightly acidic due to the lactic acid it contains.
Sea stars have a unique trait that allows them to autotomize one or more arms under physical disturbance. __________________ is a form of asexual reproduction and allows them to regenerate their limb.
Solve the following binomial: (x+4)(x-4)
x^2 - 16 Using the FOIL method, you first multiple the front values in each of the parentheses (x*x)=x^2 Then the outer values (-4x), then the inner values (+4x). Finally the last numbers: +4*-4=-16 Now place all the values in an equation: x^2 + -4x + 4x -16 Simplify: x^2 -16
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