If aradio uses a battery to make vibrations, then what does a radio use to make vibrations? Answer choices: - waves - rays or beams - a battery - an object - barrel-shaped - nerves - Loud noises - it needs them
a battery

If biomass is the total mass of primary consumers, then what is the total mass of primary consumers? Answer choices: - Plants - animals - food - Mountains - Biomass - decreases - all matter - Weight
Biomass

Q: If many plants respond to the days growing shorter in September by going dormant, then when do plants respond to shorter days by going dormant? Answer choices: - September - July - trees - legumes - Conifers - Exfoliation - Winter - Summer
A: September

Question: If mushrooms can develop into new haploid individuals without being fertilized, then what can develop into new haploid individuals without being fertilized? Answer choices: - bacteria - offspring - mushrooms - Most plants - parasites - sperm - humans - ferns
Answer: mushrooms

*Question*
If starfish lack respiratory systems, then starfish lack what kind of system? Answer choices: - respiratory - critical organs - alveoli - heat or cold - hydration - Bodily water - food and shelter - frontal zones
**Answer**
respiratory

(Q).
If riding a bike is good exercise and also doesn't produce harmful gases, then what can you ride to get good exercise and avoid producing harmful gases? Answer choices: - cows - bike - stairmaster - cycles - bus - trolley - Lift - goats
(A).
bike