They can fight the infection but not the disease
Answer:
8 seconds
Explanation:
From Newton's second law;
Ft = m(v-u)
F = Force applied
t = time taken
v = final velocity
u = initial velocity
20 * t = 32 (9 - 4)
20t = 32 * 5
t = 32 * 5/ 20
t = 8 seconds
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The correct answer is "Some substances must be dissolved in water before they can be used".
Conduction. Any material that easily allows heat to move through it. Vacuum. A region of space that contains no matter. Solid.
Which is a substance that takes the shape and volume of its container?
liquid
