<span>Carbon is the only element that can form four chemical bonds to other elements, and because of the atomic number 6 - it always has 6 electrons forming covalent bonds. It also is essential for living things to reproduce and grow.</span>
Answer:
<em>C/ a controlled lab experiment with mosquitoes that limits water access for the experimental group.</em>
Explanation:
The scientist is looking for what could cause the decline in the mosquito population and if it is due to the filling of the local pond. To best conduct research on this topic would be to experiment with mosquitoes and their responses with limited water access. It has the two variables, the mosquitoes and water. This is the most effective way of determining his study.
Prolonged space travel affect the muscular system by making it weaker since there is no gravity for you mussels to fight
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately
Answer:
Use of pesticides (particularly insecticides), urbanization, industrialization, newly introduced species, and climate change.