The most obvious way we can establish and maintain a healthy coastal ecosystem is by recycling all recyclable materials and trying to live with as little waste as possible. Also, using clean transportation, such as biking and such, would help slow down air pollution; giving sealife clean air to breathe.
8:C
9: A
10: B
11: C
12: B
13: A
14: B
15: A
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.
Answer:
the answer is soil texture or B for basic
0.1 nanometer = 0.1 * 10^-9 meter = 10^-10 meter
Which you can see it's X-ray.
Glad to help you friend, not sure if you remember me or not :)