Question

can field mustard plants grow on mars? can pea plants? you might think the answer to these questions is obviously no, but researchers in the netherlands recently showed that the seeds of many common plant species can germinate in soil designed to simulate martian conditions, as long as water is supplied. in fact, some species actually did better in martian soil than in earth soil: 30 percent of field mustard seeds sprouted when planted in simulated martian soil, compared with 4 percent that did when planted in soil from their home planet. according to the text, what percentage of field mustard seeds planted in martian soil sprouted? a. 18 percent b. 30 percent c. 100 percent d. 5 percent

Explanation:

The text clearly states "30 percent of field mustard seeds sprouted when planted in simulated Martian soil".

Answer:

B. 30 percent