Obtaining scientific data from a distance is called

Answer;

-Remote sensing

Explanation;

-Remote sensing involves obtaining information about objects or areas from a distance, typically from aircraft or satellites.

-Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft.Remote sensing has a wide range of applications, such as coastal applications (monitoring shoreline changes), ocean applications to monitor ocean circulation and current systems, and hazard assessments among other applications.

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.