Which of the following describes the relationship between the wavelength and strength of the Sun's radiation?
The shorter the radiation's wavelength the weaker the radiation's energy
The shorter the radiation's wavelength, the higher the radiation's energy
The longer the radiation's wavelength, the weaker the radiation's energy
The longer the radiation's wavelength, the higher the radiation's energy

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?