They are formed naturally, not organic, solid with a definite volume and shape, have a unique composition, and the atoms are arranged in a pattern called a crystal structure. They are naturally occurring solid, they are made up of a mixture of minerals, smaller rock fragments, organic matter, or glass.
<span>Living things are biotic factors like a dog, fungi and trees
I hope this helps!</span>
Answer: A is the correct answer.
because for the treatment of one type of diabetes insulin should be provided but isolation of insulin and production is so costly.
but as DNA recombination has developed we can use bacterial replication system to produce insulin. they replicate very fast so large amount of insulin will be produced and then it can isolated.
but we also know that insulin of bacteria needs some modification before it can be used in human.
if want more info ask here. hope it helps.
If I remember them correctly, the organisms are a fish, a reptile a bird and a human during embryonic development. B & D are the correct answers.
