Which nitrogen base sequence is the partner of C-A-T-C-G-A?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j