If deep burrowing earthworms improve looseness of soil for root growth, then deep burrowing earthworms do what to the looseness of soil for root growth? Answer choices: - compact - improve - nutrients - destroy - erosion - support - decrease - Movement
improve

If canyon changes are tracked with pins, then how do we track canyon changes? Answer choices: - LEDs - wind - forces - river - slow - Pins - Raft - three
Pins

Q: If an herbicide poisons plants, then what doesn't protect plants? Answer choices: - viruses - smallpox - herbicide - steroids - A virus - Nematoda - chickenpox - cigarettes
A: herbicide

Question: If rotating vanes move air to cool a computer, then rotating vanes move air to do what to a computer? Answer choices: - cool it - improve - heat - stop it - dangerous - launch it - warm it - wind
Answer: cool it

*Question*
If mushrooms can decompose wood, then what can decompose wood? Answer choices: - Chlorophyll - bacteria - mushrooms - bushes - ferns - Most plants - roots - evaporation
**Answer**
mushrooms

(Q).
If secondary growth produces secondary vascular tissues in seed plants, then what produces secondary vascular tissues in seed plants? Answer choices: - after growth - photosynthesis - faulty growth - Conifers - Chlorophyll - primary growth - plant reproduction - secondary growth
(A).
secondary growth