A student wrote the hypothesis below: “Rechargeable batteries are better than nonrechargeable batteries."
Which of the following is the most important reason this statement fails as a valid scientific hypothesis?

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

What is the next step in muscle contraction after the actin changes shape? (apex)