titunepcakerr titunepcakerr

25-02-2017
Biology

contestada

What substance in the upper atmosphere blocks ultraviolet radiation from the sun, making life on land possible?

Respuesta :

jelizibeth jelizibeth

25-02-2017

The ozone layer.....................

Answer Link

Otras preguntas

Find linear equation if bank account amount was 100 and deposit 50 each week

Find thecounterclockwise angleθthat⃗v ⃗wmakes with thepositivex-axis.

For each item: classify organic or inorganic. NaCl: . phenol (C6H6;O): . C2H6: . Ca3(PO4)2: . formaldehyde (CH20): . MgCO3: .

Find the midpoint of the segment with the given endpoints. D(1, 2) and E(–3, 6)

Which of the following sentences is written correctly? A. Sally had to go to the doctor feeling extreme pain in her right arm. B. The results of last nigh

between which two consecutive whole numbers is [tex] \sqrt{46} [/tex]

Ammonia, nh3, is a weak base with a kb = 1.8 x 10-5. in a 0.8m solution of ammonia, which has a higher concentration: ammonia (nh3) or its conjugate acid the

Mineral identity is diagnosed primarily through the assessment of ______. physical properties both answers are equally useful in mineral diagnoses chemical prop

Diamond and graphite are both polymorphs of ________

I need help please help...