The diagram shows the life cycle of a pine tree. What does stage 5 show? D.) Young female cones produce spores from cells that divide using meiosis.
C.) A spore divides and grows into a pollen grain using mitosis.
A.) Young male cones produce spores using meiosis.
B.) A seed develops after the sperm from a pollen grain fertilizes the egg in an ovule.

The distribution of related animals and plants across the world

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes