Which of the following is a function of the spleen?
a. cleanses the interstitial fluid
b. circulates the lymph
c. removes worn out red blood cells
d. stores platelets
e. both a and b
f. both c and d
g. both a and c
h. both b and d

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?