GARDENING 380 KILOMETERS ABOVE EARTH

What is the best subtitle for this passage?

• How to make the moon green

• Why space plants taste better

• Growing plants in space

Why did early explorers take seeds and plants with them?

• coz soil is too heavy to send to space

• coz they can be very long and it is too expensive

• coz they use carbon dioxide and produce oxygen

• coz there is no gravity

• coz familiar food helped ease their transition to foreign lands

Why is it impractical to take all the food needed for long space journeys?

• coz soil is too heavy to send to space

• coz they can be very long and it is too expensive

• coz they use carbon dioxide and produce oxygen

• coz there is no gravity

• coz familiar food helped ease their transition to foreign lands

Why can plants help improve air quality on long space journeys?

• coz soil is too heavy to send to space

• coz they can be very long and it is too expensive

• coz they use carbon dioxide and produce oxygen

• coz there is no gravity

• coz familiar food helped ease their transition to foreign lands

Why does oxygen that plants produce in space stay around the plants?

• coz soil is too heavy to send to space

• coz they can be very long and it is too expensive

• coz they use carbon dioxide and produce oxygen

• coz there is no gravity

• coz familiar food helped ease their transition to foreign lands

Why are special gels used to sustain plant growth in space?

• coz soil is too heavy to send to space

• coz they can be very long and it is too expensive

• coz they use carbon dioxide and produce oxygen

• coz there is no gravity

• coz familiar food helped ease their transition to foreign lands

In the following idea "Since early explorers wanted familiar foods to ease their transition to foreign lands, they often took seeds and plant with them" the words in bold represent.....

• oxygen / plants

• special gels / water

• early explorers / early explorers

In the following idea "Due to the lack of gravity in space, the oxygen that the plants produce stays around the plants. This can actually kill them" the words in bold represent.....

• oxygen / plants

• special gels / water

• early explorers / early explorers

In the following idea "As soil is too heavy to send to space, special gels are used to sustain plant growth. These retain water and deliver it to the plants" the words in bold represent.....

• oxygen / plants

• special gels / water

• early explorers / early explorers