Answer: because of the pandimic
it startExplanation: coronvires is the probelm over 4 years it started in 2019 to 2022 it even more year well never know.
Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.
Answer:
1.) True
Explanation:
A scientific theory can become a scientific law, but a scientific law cannot become a scientific theory.
A scientific theory is what is made to scientific law after many trials to prove the scientific theory is true. But after they changed a scientific theory to scientific law, it can't be changed back because it has been disproved many years later.
Hope it helps.