Dont worry those are just variables. a. and b. is the same as 1 and 2 !
Answer:
a. By Calculating magnetic reversals.
Explanation:
They determine the age of the ocean floor by examining magnetic fields in the planet Earth.
Answer:
when organisms use organic matter for cellular respiration all that matter goes back into carbon dioxide, water, and minerals, while ALL the energy leaves the ecosystem as heat.
Explanation:
Answer:
DNA
Explanation:
maybe... BUT PROBABLY YESS
<h2>Answer:</h2>
To treat the discharge of untreated waste from a type i or type ii marine sanitation device the following steps should be taken into account;
The “Y” valve must be secured to prevent accidental illegal discharge. This can be done by placing a lock or non-reusable seal on the “Y” valve or by taking the handle off the “Y” valve. Only treated sewage from an approved MSD may be discharged directly overboard.
