it is c
Explanation:
the third picture shows symmetry and equality
Answer:
Chemical property
Explanation:
Rust is always a chemical change
The rust changes your object due to oxygen and water
1. The plates in the planet’s surface move because of intense heat in the Earth’s core, that causes molten rock in the mantle layer to move.
2. This one is simple: The <span>gravity and the rotation of the planet causes the plates to shift and move.
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Lack of an identification system
that helps keep records of an informal economy and a lack of informal business registration
might result to difficulties in tracking and determining the informal sector of
an economy.
Also, the contribution of the
informal sector to the gross domestic product might be hard to track and
determine.
It also becomes very difficult to
use direct approaches such as surveys, tax audits and other tax compliance methods
to determine, track, measure, and compare the informal sector with other countries.