Why can squirrels survive a cold winter but flowers cannot

5. How did the brightness or intensity of the light change as the degree of tilt increased. 6. Explain how this demonstration models the way in which the intensity of sunlight shining on Earth changes over the course of the year.

why is the inner core a solid, even though it has a higher temperature than the outter core, which is liquid

The disease macular degeneration is characterized by a gradual loss of vision as a result of degeneration of the macula lutea.

Ocean surface currents circulate in clockwise direction in the Southern Hemisphere.

What is not contained in our blood? A. Blood Plasma B. Leukoctyes C. Erythrocytes D. Lymph

In pea plants the green color allele (G) is dominant over yellow color allele (g) for see color. Tall (T) is dominant for plant height. Parents heterozygous for both traits are cross pollinated.

In a fixed medium, which of the following contribute to a higher-pitched sound? A. shorter wavelength B. higher amplitude C. higher wave speed D. more decibels

Cells are limited in size by their surface areas and?

In which way do viruses depend on living cells? a. they get nutrients by entering cells b. they get energy from photosynthesis c. they make copies of themselves using cell parts d. they develop into larger viruses using cell parts

Which statement accurately describes Gymnosperms select all that apply