Can someone help me with the ones that are blank i will give brainliest.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?