  Among all experimental observations of cuprate physics, the
metal-insulator-crossover (MIC), seen in the pseudogap (PG) region of the
temperature-doping phase diagram of copper-oxides under a strong magnetic
field, when the superconductivity is suppressed, is most likely the most
intriguing one. Since it was expected that the PG-normal state for these
materials, as for conventional superconductors, is conducting. This MIC,
revealed in such phenomena as heat conductivity downturn, anomalous Lorentz
ratio, insulator resistivity boundary, nonlinear entropy, resistivity
temperature upturn, insulating ground state, nematicity- and stripe-phases and
Fermi pockets, unambiguously indicates on the insulating normal state, from
which the high-temperature superconductivity (HTS) appears. In the present work
(article I), we discuss the MIC phenomena mentioned in the title of article.
The second work (article II) will be devoted to discussion of other listed
above MIC phenomena and also to interpretation of the recent observations in
the hidden magnetic order and scanning tunneling microscopy (STM) experiments
spin and charge fluctuations as the intra PG and HTS pair ones. We find that
all these MIC (called in the literature as non-Fermi liquid) phenomena can be
obtained within the Coulomb single boson and single fermion two liquid model,
which we recently developed, and the MIC is a crossover of single fermions into
those of single bosons. We show that this MIC originates from bosons of Coulomb
two liquid model and fermions, whose origin is these bosons. At an increase of
doping up to critical value or temperature up to PG boundary temperature, the
boson system undegoes bosonic insulator - bosonic metal - fermionic metal
transitions.
