Each remote sensing instruments collects data about the atmosphere

Each remote sensing instruments collects data about the atmosphere from a remote location and, usually, stores the data where the instrument is located.
Each at the start of the sentence indicates a singular noun ahead in the sentence hence we need instrument as the subject.
Following the same logic we need singular verb i.e. collects.
Similarly we need singular verb stores.

A. instruments collects data about the atmosphere from a remote location and, usually, stores
Each at the start of the sentence indicates a singular noun ahead in the sentence hence we need instrument as the subject.
B. instrument collects data about the atmosphere from a remote location and, usually, store
we need singular verb stores.
C. instrument collect data about the atmosphere from a remote location and, usually, store
Following the same logic we need singular verb i.e. collects.
we need singular verb stores.
D. instruments collect data about the atmosphere from a remote location and, usually, store
Following the same logic we need singular verb i.e. collects.
Each at the start of the sentence indicates a singular noun ahead in the sentence hence we need instrument as the subject.
we need singular verb stores.
E. instrument collects data about the atmosphere from a remote location and, usually, stores