some kind of fish live most of their lives in salt water but lay their eggs in freshwater their ability to live in different environments is an example of

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer

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?