Reborn: I Stock Up and Bully the Trash to Dominate the Apocalypse

Monitoring data shows that although the submarine has not yet fully recovered to its best condition, its basic navigation and diving functions are no longer a problem.

During these three days, Zhou Shuwan has never relaxed his monitoring of the surrounding waters.

Once there is an abnormal situation, whether it is an undersea earthquake or signs of volcanic eruption, they can ensure evacuation at the first time.

Fortunately, the sea was calm for three days.

It seems that only the area with the underwater hydrothermal vents is experiencing continuous geological activity, and the sea area where they are is temporarily safe.

When the submarine was almost repaired, Zhou Shuwan finally made up his mind.

They need to go down to the seabed again to look for that key mineral.

This decision surprised the rest of the Zhou family.

After all, they had just escaped from a life-and-death underwater crisis, and no one wanted to step into that dangerous place again immediately.

But Zhou Shuwan's explanation makes a lot of sense.

Because for others, it is almost impossible to find minerals covered by volcanic ash and magma on the seabed, but for her, it is not difficult.

Her space allows her to directly sense and collect specific substances, an advantage that no one else can match.

"When we went down to the sea last time, we saw that the hydrothermal vent had been completely altered and no longer recognizable, so we didn't investigate further," Zhou Shuwan continued. "But now I think we should confirm whether the minerals are still there."

Mu Mu frowned. "Sister, you mean they might have been covered by volcanic ash and lava instead of being completely destroyed?"

"Yes." Zhou Shuwan nodded, "If that's the case, then it will be easier for us."

This reason made everyone waver.

After all, if the minerals were still there, they would be spared the trouble of blindly searching for new hot springs in the vast ocean.

That would undoubtedly be like looking for a needle in a haystack, extremely difficult, and the dangers encountered would be countless.

"Also," Zhou Shuwan paused, "there's another reason."

This is a very important point that she has only thought of in the past few days.

They can also collect the large amount of volcanic ash ejected by submarine volcanic eruptions after diving to the bottom of the sea.

After processing, the mothership can improve the volcanic ash into arable soil.

Volcanic ash is rich in various minerals and has fertility in itself.

Although it now contains a large amount of seawater salt, it can become high-quality soil as long as it is desalinated through rainwater washing, freshwater soaking, and other treatments, and then mixed with some organic matter.

Zhong Tiyun listened, a hint of excitement flashing in her eyes: "That's a good idea. What we lack most now is arable land, especially now that we don't even have an island."

Without the island, it means they have lost their last piece of land.

Even if the sea level drops in the future and the island sees the light of day again, it is not known whether the land flooded by the sea can be used for cultivation again.

Volcanic ash is a way to enhance soil fertility.

Qi Mingyu pondered for a moment and nodded. "If that's the case, then this dive has a dual purpose. Even if we don't find the minerals, we won't return empty-handed."

"But the risk is still great." Mu Mu reminded: "Sis, can you detect the current situation there?"

Zhou Shuwan slowly shook his head: "It's too far away. I only have a vague feeling. The seabed is calm at the moment, but I can't be sure when new earthquakes and magma eruptions will occur."

She paused and looked at the others: "What I mean is, this time, Brother Xiaoyu and I will go into the sea alone. Mom, Dad, Mumu, you stay here and wait for us..."

Before he finished speaking, he was met with fierce opposition from everyone.

"No!" Zhou Jianghai said immediately, his voice firm. "It was dangerous enough last time. If we let you two go down this time, if something goes wrong, we won't even be able to provide support in time!"