Which of these is NOT an environmental effect of deforestation?

A, Flooding

B, Soil erosion

C, Smog

D, Overcrowding

The sound of a police siren that is moving away has wavelengths, and one that is approaching has wavelengths

Unlike identical twins, fraternal twins A. are produced from two identical embryos. B. result from two eggs fertilized by different sperms. C. result from the same fertilized egg. D. are always the same sex.

What could be the result if a mutation occurred in the DNA region coding for a type of microRNA (miRNA) that functioned in RNA interference

A metabolic bone disorder, particularly common in postmenopausal women, is called scoliosis. 1. osteoporosis. 2. lordosis 3. kyphosis. 4. osteitis 5. deformans.

As energy moves through an ecosystem,

How are currents in the Pacific Ocean affected by El Niño? Currents travel more slowly. Rip currents are frequently formed. All currents become deep ocean currents. Warm water moves to the east instead of to the west.

Which statement accurately describes Darwin's experience on the Beagle? A. He had a eureka moment and understood how species evolve. B. He recognized the significance of each species he observed. C.

How are hydrogen bonds different from covalent bonds? A) The atoms in hydrogen bonds have valence electrons B) The compounds that result from hydrogen bonds contains carbon C) Covalent bonds are organic D) Hydrogen bonds are weaker than covalent

What would your superhero element look like? iron man.

Which ratios would indicate linkage and not independent assortment? Check all that apply. A) 8:8:0: 0 B) 9:3:3:1 C) 12:2:2:1