If plant reproduction often requires something that causes allergies, then plant reproduction often requires something that causes what? Answer choices: - mutations - bloom time - An earthquake - Steam - seeds - The common cold - gene flow - Allergies
Allergies

If earth 's tilt on its axis causes habitats to change, then what causes habitats to change? Answer choices: - global warming - the environment - fire conditions - Earth's tilt on its axis - To another location like underground - looseness of dirt or compost - deforestation - a tree falling
Earth's tilt on its axis

If lake Tahoe originates from a mountain stream, then what does Lake Tahoe originate from? Answer choices: - hydrogen and oxygen - It's manmade - An ocean - tectonic plates coliding - A hurricane - A mountain stream - Water expanding - body water
A mountain stream

If muscles activate before fibers get shorter, then what happens to fibers after muscle activation? Answer choices: - It expands - Localized damage - It decreases - get shorter - they bend - rapid expansion - sweating - movement
get shorter