Conserve and sustainably use the oceans, seas and marine resources for sustainable development
Target
14.1
By 2025, prevent and significantly reduce marine pollution of all kinds, in particular from land-based activities, including marine debris and nutrient pollution
Target
14.2
By 2020, sustainably manage and protect marine and coastal ecosystems to avoid significant adverse impacts, including by strengthening their resilience, and take action for their restoration in order to achieve healthy and productive oceans
Target
14.4
By 2020, effectively regulate harvesting and end overfishing, illegal, unreported and unregulated fishing and destructive fishing practices and implement science-based management plans, in order to restore fish stocks in the shortest time feasible, at least to levels that can produce maximum sustainable yield as determined by their biological characteristics
Task: Most people like jewlery. We buy them as a gift or for ourselves. Often, we do not think about the ways how that shiny piece was created and if someone was harmed. Sea pearls of all colours are one of the most used beads for jewlery production. Unfortunately, pearl explotation will eventually cause shells extinction and consequently cause marine ecosystem changes.
Your task is to 'decode' hexadecimal sequence 'BEAD' into binary sequence. If you are not sure how to do it, you can help yourself with online converters (https://www.rapidtables.com/convert/number/hex-to-binary.html).
Background: Computer understands only zeroes and ones - binary code. We use hexadecimal code to make long lines of binary digits shorter. Each hexadecimal digit replaces four binary digits.
B
E
A
D