<span>Platinum can be found in: Chromite bands
Chromite could be easily found in ultramafic layer of intrusive rocks and it contain several similar components as those that we could found in magma.
The black bands part of the chromite also carries several substance from platinum group metals.</span>
Air mass, letter a is the correct one
A. The worm population would increase, because there are no predators to eat them up!
The correct answer is A. An oak tree
Explanation:
The term "primary producer" is used to describe organisms that can produce their own energy without feeding on others, this includes plants and algae that produce food and energy through photosynthesis using light and other inorganic compounds. Additionally, the primary producers can be identified because in ecosystems they are always on the first level and they are eaten by others.
According to this, the one that is a primary producer is an oak tree because this is a type of plant and therefore can produce its food through photosynthesis different to others that need to feed on other organisms to obtain energy.
