<span>Males and females are attracted to each other in order to ensure the viability and fertility of the offspring, which is also why it is uncommon that males of one species be attracted to females of another. Members of two different species cannot mate and thus cannot produce fertile, viable offspring, unless they are part of different sub-species. But they must be part of the same species.
</span>
<span>The correct answer is a. the overuse of fertilizer lead to reduced crop yields over time. This was unexpected because it is common for fertilizers to increase the yields and the quality of the product, but what happens over time is the opposite so it can be said that it's an unexpected consequence.</span>
Answer:
the heart it is because the heart beats and it goes up and down
Answer:
it is based on observation becasuse you dont automaticly lknow everythig in science sorry about the spellig
Explanation:
It’s the first choice because the C at the end does not pair with anything, it was an extra pair that was made
