What hazards might it cause if soil is brought back from Mars?

Introduction: With the continuous development of science and technology, we humans are not only on the earth, but also gradually boarded other planets and studied planets beyond the earth. So, what harm might it cause if soil is brought back from Mars? 1. Bringing bacteria

According to the detection results of Mars, there is likely to be life on Mars, and there are likely to be some bacteria and microorganisms unknown to humans in the Martian soil. Because the environment on Mars is completely different from the environment on Earth, humans do not understand these microorganisms and bacteria, nor do they know what harm they can do. If these Martian soils are rashly brought back to Earth, it is very likely that microorganisms and bacteria will be brought back to Earth, bringing ecological disaster to the Earth. Although humans are currently immune to some bacteria on Earth, the bacteria that reproduce on different planets are also different. Humans can be immune to bacteria on Earth, but there may be no way to be immune to bacteria on Mars, or even bacteria on Mars. Once they arrive on Earth, they are likely to multiply beyond control. The consequences would be unbearable for the planet. 2. Destruction of ecological balance

The environment of Mars is very different from the environment of our earth, so it is difficult to guarantee what impact the Martian soil will have on our earth's environment if it is brought back to our earth. Mars may have had life billions of years ago, and there may still be some microorganisms left in this soil. If Martian soil is placed on our earth, some microorganisms remaining in the soil may affect the living environment of our earth's ecological environment. However, if these microorganisms remaining in the soil mutate, they will multiply and grow wildly on our earth, which will destroy our ecological balance.

If humans really want to immigrate to Mars in the future, they must fully understand the Martian environment. However, currently due to limitations of science and technology, humans have no way to successfully land on Mars. I believe that with the rapid development of science and technology in the future, humans will be able to successfully land on Mars and solve difficulties that cannot be solved by the current level of science and technology.