If an isotope of some element has a half of 300 years about how much of the isotope will be in sample after 300 years

What is the answer to this question? A community of living and nonliving things in their natural environment makes up a Food chain Food web Ecosystem Population

Which pair shows compounds with the same radical? a. naoh and nacl b. ba (oh) 2 and ba (no3) 2 c. al (oh) 3 and naoh d. ba (no3) 2 and al (oh) 3

When do new nuclear membranes form at each pole? A. Prophase B. Metaphase C. Anaphase D. Telophase

Which of the following biomolecules typically contains both nitrogen and phosphate? A - lipid B - protein C - Nucleic acid D - carbohydrate

A certain disorder is recessive and autosomal. Circle all of the types of people who have this disorder

What is another name for skeletal muscle? involuntary muscle connective muscle voluntary muscle interactive muscle reactive muscle?

Water can leave the air as a result of which processes? A. infiltration or transpiration B. precipitation or evaporation C. evaporation or transpiration D. condensation or precipitation

A bird and the snake would both be classified as

Elephantiasis is caused by what

Which has a more long term consistency? (Climate or Weather)